I define a Sign as anything which is so determined by something else, called its Object, and so determines an effect upon a person, which effect I call its Interpretant, that the latter is thereby mediately determined by the former.

Suppose a surface to be part red and part blue; so that every point on it is either red or blue, and of course, no part can be both red and blue. What then, is the color of the surface in the immediate neighborhood of the point. ...it follows that the boundary is half red and half blue. In like manner, we find it necessary to hold that consciousness essentially occupies time... Thus, the present is half past and half time to come. ...Take another case: the velocity of a particle at any instant of time is its mean velocity during an infinitesimal instant in which that time is consumed. Just so, my immediate feeling is my feeling through an infinitesimal duration containing the present instant.

The old dualistic notion of mind and matter, so prominent in Cartesianism, as two radically different kinds of substance, will hardly find defenders to-day. Rejecting this, we are driven to some form of hylopathy, otherwise called monism.

The Protestant churches generally hold that the elements of the sacrament are flesh and blood only in a tropical sense; they nourish our souls as meat and the juice of it would our bodies. But the Catholics maintain that they are literally just that; although they possess all the sensible qualities of wafer-cakes and diluted wine. But we can have no conception of wine except what may enter into a belief, either -

If the sensation that precedes the present by half a second were still immediately before me, then on the same principle, the sensation preceding that would be immediately present, and so on ad infinitum. Now, since there is a time [period], say a year, at the end of which an idea is no longer ipso facto present, it follows that this is true of any finite interval, however short.

Now, to say that a lot of objects is finite, is the same as to say that if we pass through the class from one to another we shall necessarily come round to one of those individuals already passed; that is, if every one of the lot is in any one-to-one relation to one of the lot, then to every one of the lot some one is in this same relation.

Logical analysis applied to mental phenomenon shows that there is but one law of mind, namely that ideas tend to spread continuously and to affect certain others which stand to them in a peculiar relation of affectibility. In this spreading they lose intensity, and especially the power of affecting others, but gain generality and become welded with other ideas.

It has never been in my power to study anything, - mathematics, ethics, metaphysics, gravitation, thermodynamics, optics, chemistry, comparative anatomy, astronomy, psychology, phonetics, economics, the history of science, whist, men and women, wine, metrology, except as a study of semeiotic.

One of the most marked features about the law of mind is that it makes time to have a definite direction of flow from past to future. ...This makes one of the great contrasts between the law of mind and the law of physical force, where there is no more distinction between the two opposite directions in time than between moving northward and moving southward.

The one intelligible theory of the universe is that of objective idealism, that matter is effete mind, inveterate habits becoming physical laws. But before this can be accepted it must show itself capable of explaining the tridimensionality of space, the laws of motion, and the general characteristics of the universe, with mathematical clearness and precision ; for no less should be demanded of every Philosophy.

It is terrible to see how a single unclear idea, a single formula without meaning, lurking in a young man's head, will sometimes act like an obstruction ... in an artery, hindering the nutrition of the brain, and condemning its victim to pine away in the fullness of his intellectual vigor and in the midst of intellectual plenty.

Consciousness must essentially cover an interval of time; for if it did not, we could gain no knowledge of time, and not merely no veracious cognition of it, but no conception whatever. We are therefore, forced to say that we are immediately conscious through an infinitesimal interval of time.

As the mathematics are now understood, each branch - or, if you please, each problem, - is but the study of the relations of a collection of connected objects, without parts, without any distinctive characters, except their names or designating letters. These objects are commonly called points; but to remove all notion of space relations, it may be better to name them monads. The relations between these points are mere complications of two different kinds of elementary relations, which may be termed immediate connection and immediate non-connection. All the monads except as serve as intermediaries for the connections have distinctive designations.

We are accustomed to speak of ideas as reproduced, as passed from mind to mind, as similar or dissimilar to one another, and, in short, as if they were substantial things; nor can any reasonable objection be raised to such expressions. But taking the word "idea" in the sense of an event in an individual consciousness, it is clear that an idea once past is gone forever, and any supposed recurrence of it is another idea. These two ideas are not present in the same state of consciousness, and therefore cannot possibly be compared.

The definition of definition is at bottom just what the maxim of pragmatism expresses.

Time with its continuity logically involves some other kind of continuity than its own. Time, as the universal form of change, cannot exist unless there is something to undergo change, and to undergo a change continuous in time, there must be a continuity of changeable qualities.

Three conceptions are perpetually turning up at every point in every theory of logic, and in the most rounded systems they occur in connection with one another. They are conceptions so very broad and consequently indefinite that they are hard to seize and may be easily overlooked. I call them the conceptions of First, Second, Third. First is the conception of being or existing independent of anything else. Second is the conception of being relative to, the conception of reaction with, something else. Third is the conception of mediation, whereby a first and second are brought into relation.

The consciousness of a general idea has a certain "unity of the ego" in it, which is identical when it passes from one mind to another. It is, therefore, quite analogous to a person, and indeed, a person is only a particular kind of general idea.

In fact, this infinitesimally spread-out consciousness is a direct feeling of its contents as spread out. In an infinitesimal interval we directly perceive the temporal sequence of its beginning, middle, and end... Now upon this interval follows another, whose beginning is the middle of the former, and whose middle is the end of the former. Here we have an immediate perception of the temporal sequence of its beginning, middle and end, or say, of the second, third, and fourth instants.

A pair of statements may be taken conjunctively or disjunctively; for example, "It lightens and it thunders," is conjunctive, "It lightens or it thunders" is disjunctive. Each such individual act of connecting a pair of statements is a new monad for the mathematician.

What distinct meaning can attach to saying that an idea in the past in any way affects an idea in the future, from which it is completely detached?

By an object, I mean anything that we can think, i.e. anything we can talk about.

The development of the human mind has practically extinguished all feelings, except a few sporadic kinds, like sound, colors, smells, warmth, etc., which now appear to be disconnected and separate.

Loneliness does not come from having no people about one, but from being unable to communicate the things that seem important to oneself, or from holding certain views which others find inadmissible.

In all chaos there is a cosmos, in all disorder a secret order.

The bigger the crowd, the more negligible the individual.

I know every numbskull will babble on about "black man," "maneater," "chance," and "retrospective interpretation," in order to banish something terribly inconvenient that might sully the familiar picture of childhood innocence. Ah, these good, efficient, healthy-minded people, they always remind me of those optimistic tadpoles who bask in a puddle in the sun, in the shallowest of waters, crowding together and amiably wriggling their tails, totally unaware that the next morning the puddle will have dried up and left them stranded. On a phallic dream he had as a young child.

No psychic value can disappear without being replaced by another of equivalent intensity.

I must also have a dark side if I am to be whole.

Aion is a child at play, gambling; a child's is the kingship. Telesphorus traverses the dark places of the world, like a star flashing from the deep, leading the way to the gates of the sun and the land of dreams.

We are living in what the Greeks called the right time for a "metamorphosis of the gods," i.e. of the fundamental principles and symbols. This peculiarity of our time, which is certainly not of our conscious choosing, is the expression of the unconscious man within us who is changing. Coming generations will have to take account of this momentous transformation if humanity is not to destroy itself through the might of its own technology and science.

Because we cannot discover God's throne in the sky with a radiotelescope or establish (for certain) that a beloved father or mother is still about in a more or less corporeal form, people assume that such ideas are "not true." I would rather say that they are not "true" enough, for these are conceptions of a kind that have accompanied human life from prehistoric times, and that still break through into consciousness at any provocation.

We must now turn to the question of how the existence of archetypes can be proved. Since archetypes are supposed to produce certain psychic forms, we must discuss how and where one can get hold of the material demonstrating these forms. The main source, then, is dreams, which have the advantage of being involuntary, spontaneous products of nature not falsified by any conscious purpose. By questioning the individual one can ascertain which of the motifs appearing in the dream are known to him... Consequently, we must look for motifs which could not possibly be known to the dreamer and yet behave functionally of the archetype known from historical sources.

Just as man as a social being, cannot in the long run exist without a tie to the community, so the individual will never find the real justification for his existence, and his own spiritual and moral autonomy, anywhere except in an extramundane principle capable of relativizing the overpowering influence of external factors.

Sometimes I had an overwhelming urge to speak, not about that, but only to hint that there were some curious things about me which no one knew of. I wanted to find out whether other people had undergone similar experiences. I never succeeded in discovering so much as a trace of them in others. As a result, I had the feeling that I was either outlawed or elect, accursed or blessed.

Among all my patients in the second half of life-that is to say, over thirty-five-there has not been one whose problem in the last resort was not that of finding a religious outlook on life. It is safe to say that every one of them fell ill because he had lost what the living religions of every age have given their followers, and none of them has been really healed who did not regain his religious outlook.

I am an orphan, alone; nevertheless I am found everywhere. I am one, but opposed to myself. I am youth and old man at one and the same time. I have known neither father nor mother, because I have had to be fetched out of the deep like a fish, or fell like a white stone from heaven. In woods and mountains I roam, but I am hidden in the innermost soul of man. I am mortal for everyone, yet I am not touched by the cycle of aeons.

We Shall Naturally look round in vain the macrophysical world for acausal events, for the simple reason that we cannot imagine events that are connected non-causally and are capable of a non-causal explanation. But that does not mean that such events do not exist... The so-called "scientific view of the world" based on this can hardly be anything more than a psychologically biased partial view which misses out all those by no means unimportant aspects that cannot be grasped statistically.

Modern man may assert that he can dispense with them, and he may bolster his opinion by insisting that there is no scientific evidence of their truth. But since we are dealing with invisible and unknowable things (for God is beyond human understanding, and there is no mean of proving immortality), why should we bother with evidence?

All ages before ours believed in gods in some form or other. Only an unparalleled impoverishment in symbolism could enable us to rediscover the gods as psychic factors, which is to say, as archetypes of the unconscious. No doubt this discovery is hardly credible as yet.

It is astounding that man, the instigator, inventor and vehicle of all these developments, the originator of all judgements and decisions and the planner of the future, must make himself such a quantité negligeable.

My interests drew me in different directions. On the one hand I was powerfully attracted by science, with its truths based on facts; on the other hand I was fascinated by everything to do with comparative religion. [...] In science I missed the factor of meaning; and in religion, that of empiricism.

Our studies of sexual life, originating in Vienna and in England, are matched or surpassed by Hindu teachings on this subject... Psychoanalysis itself and the lines of thought to which it gives rise-surely a distinctly Western development-are only a beginner's attempt compared to what is an immemorial art in the East.

Every archetype is capable of endless development and differentiation. It is therefore possible for it to be more developed or less. In an outward form of religion where all the emphasis is on the outward figure (hence where we are dealing with a more or less complete projection) the archetype is identical with externalized ideas but remains unconscious as a psychic factor. When an unconscious content is replaced by a projected image to that extent, it is cut off from all participation in an influence on the conscious mind. Hence it largely forfeits its own life, because prevented from exerting the formative influence on consciousness natural to it; what is more, it remains in its original form - unchanged, for nothing changes in the unconscious.

Primitive superstition lies just below the surface of even the most tough-minded individuals, and it is precisely those who most fight against it who are the first to succumb to its suggestive effects.

Every step closer to my soul excites the scornful laughter of my devils, those cowardly ear-whisperers and poison-mixers. It was easy for them to laugh, since I had to do strange things.

If there is anything that we wish to change in the child, we should first examine it and see whether it is not something that could better be changed in ourselves.

Without consciousness there would, practically speaking, be no world, for the world exists as such only in so far as it is consciously reflected and considered by a psyche. Consciousness is a precondition of being.

It is only natural that I should constantly have revolved in my mind the question of the relationship of the symbolism of the unconscious to Christianity as well as to other religions. Not only do I leave the door open for the Christian message, but I consider it of central importance for Western man. It needs, however, to be seen in a new light, in accordance with the changes wrought by the contemporary spirit.

But we must not forget that only a very few people are artists in life; that the art of life is the most distinguished and rarest of all the arts. Modern Man in Search of a Soul.