Knowledge, having irritated and stimulated our appetite for power, will lead us inexorably to our ruin.

Kant's philosophy shifts for the first time the whole of modern thought and being (Desein) into the clarity and transparency of the foundation (Begrundung). This determines every attitude toward knowledge since then, as well as the bounds (Abgrenzungen) and appraisals of the sciences in the nineteenth century up to the present time. Therein Kant towers so far above all who precede and follow that even those who reject him or go beyond him still remain entirely dependent upon him.

I've got a one-dimensional mind.

How very little can be done under the spirit of fear.

It is the common wonder of all men, how among so many million of faces there should be none alike.

Being Gentlemen and very far from the litigious humour of loving to wrangle about words or terms or notions as empty; they had before his coming in, readily agreed promiscuously to use when they pleased Elements and Principles as terms equivalent: and to understand both by the one and the other, those primitive and simple bodies of which the mixt ones are said to be composed, and into which they are ultimately resolved.

The natural progress of things is for liberty to yield, and government to gain ground.

The qualities most useful to ourselves are, first of all, superior reason and understanding, by which we are capable of discerning the remote consequences of all our actions, and of foreseeing the advantage or detriment which is likely to result from them: and secondly, self-command, by which we are enabled to abstain from present pleasure or to endure present pain, in order to obtain a greater pleasure or to avoid a greater pain in some future time. In the union of those two qualities consists the virtue of prudence, of all the virtues that which is most useful to the individual.

Nobody realizes that some people expend tremendous energy merely to be normal.

There is the love of knowing without the love of learning; the beclouding here leads to dissipation of mind.

I have been writing & speaking what were once called novelties, for twenty five or thirty years, & have not now one disciple. Why? Not that what I said was not true; not that it has not found intelligent receivers but because it did not go from any wish in me to bring men to me, but to themselves. I delight in driving them from me. What could I do, if they came to me? - they would interrupt and encumber me. This is my boast that I have no school & no follower. I should account it a measure of the impurity of insight, if it did not create independence.

"...the church of England, when she baptizes any one, makes him not a Christian [...] the church of England is mistaken, and makes none but socinians Christians"

A host is like a general: calamities often reveal his genius.

And finally remember that nothing harms him who is really a citizen, which does not harm the state; nor yet does anything harm the state which does not harm law [order]; and of these things which are called misfortunes not one harms law. What then does not harm law does not harm either state or citizen.

Existing is plagiarism.

Wipe out the imagination. Stop pulling the strings. Confine thyself to the present. ...Divide and distribute every object into the causal [formal] and the material. ...Let the wrong which is done by a man stay there where the wrong was done.

The discovery of truth is prevented more effectively, not by the false appearance things present and which mislead into error, not directly by weakness of the reasoning powers, but by preconceived opinion, by prejudice.

Men are eager to tread underfoot what they have once too much feared.

Lord, you have cursed Cain and Cain's children: thy will be done. You have allowed men's hearts to be corrupted, that their intentions be rotten, that their actions putrefy and stink: thy will be done.

The first among the sciences is that of statesmanship. That cannot be learnt in academies. No great minister, from Suger to Richelieu, ever occupied himself with physics or mathematics. The genius of the natural sciences makes impossible that other kind of genius, which is a talent unto itself.

Education is an ornament for the prosperous, a refuge for the unfortunate.

First of all, this prince is an idiot, and, secondly, he is a fool--knows nothing of the world, and has no place in it.

Democratic socialists are either proletarians who are not yet sufficiently clear about the conditions of the liberation of their class, or they are representatives of the petty bourgeoisie, a class which, prior to the achievement of democracy and the socialist measures to which it gives rise, has many interests in common with the proletariat. It follows that, in moments of action, the communists will have to come to an understanding with these democratic socialists, and in general to follow as far as possible a common policy with them - provided that these socialists do not enter into the service of the ruling bourgeoisie and attack the communists. It is clear that this form of co-operation in action does not exclude the discussion of differences.

Truth is the cry of all, but the game of the few.

Only an atheist can be a good Christian.

The most human thing about us is our technology.

Can a mortal ask questions which God finds unanswerable? Quite easily, I should think. All nonsense questions are unanswerable. How many hours are there in a mile? Is yellow square or round? Probably half the questions we ask - half our great theological and metaphysical problems - are like that.

False opinions are like false money, struck first of all by guilty men and thereafter circulated by honest people who perpetuate the crime without knowing what they are doing. Original text:Les fausses opinions ressemblent à la fausse monnaie qui est frappée d'abord par de grands coupables et dépensée ensuite par d'honnêtes gens qui perpétuent le crime sans savoir ce qu'ils font.

Never forget: We are alive within mysteries.

War is sweet to them that know it not.

Of all tyrannies a tyranny sincerely exercised for the good of its victims may be the most oppressive. It may be better to live under robber barons than under omnipotent moral busybodies. The robber baron's cruelty may sometimes sleep, his cupidity may at some point be satiated; but those who torment us for our own good will torment us without end for they do so with the approval of their own conscience. They may be more likely to go to Heaven yet at the same time likelier to make a Hell of earth. This very kindness stings with intolerable insult. To be "cured" against one's will and cured of states which we may not regard as disease is to be put on a level of those who have not yet reached the age of reason or those who never will; to be classed with infants, imbeciles, and domestic animals.

My friends, I tell you that hitherto you have been prevented from even knowing what happiness really is, solely in consequence of the errors - gross errors - that have been combined with the fundamental notions of every religion that has hitherto been taught to men. And, in consequence, they have made man the most inconsistent, and the most miserable being in existence. By the errors of these systems he has been made a weak, imbecile animal; a furious bigot and fanatic or a miserable hypocrite; and should these qualities be carried, not only into the projected villages, but into Paradise itself, a Paradise would no longer be found!

The universe is the bible of a true Theophilanthropist. It is there that he reads of God. It is there that the proofs of his existence are to be sought and to be found. As to written or printed books, by whatever name they are called, they are the works of man's hands, and carry no evidence in themselves that God is the author of any of them. It must be in something that man could not make, that we must seek evidence for our belief, and that something is the universe; the true bible; the inimitable word, of God.

We ought so to behave to one another as to avoid making enemies of our friends, and at the same time to make friends of our enemies. 

Two half philosophers will probably never a whole metaphysician make.

The pathos of it all is that the America which is to be protected by a huge military force is not the America of the people, but that of the privileged class; the class which robs and exploits the masses, and controls their lives from the cradle to the grave. No less pathetic is it that so few people realize that preparedness never leads to peace, but that it is indeed the road to universal slaughter.

Character means that the person derives his rules of conduct from himself and from the dignity of humanity. Character is the common ruling principle in man in the use of his talents and attributes. Thus it is the nature of his will, and is good or bad. A man who acts without settled principles, with no uniformity, has no character. A man may have a good heart and yet no character, because he is dependent upon impulses and does not act according to maxims. Firmness and unity of principle are essential to character.

Mathematics may be compared to a mill of exquisite workmanship, which grinds you stuff of any degree of fineness; but, nevertheless, what you get out depends upon what you put in; and as the grandest mill in the world will not extract wheat-flour from peascod, so pages of formulae will not get a definite result out of loose data.

It is because you yourself fear the propaganda created, after all, only by the stupidity of your own bigots.

Probability fractions arise from our knowledge and from our ignorance.

God, our Father, has given us the life and the art of healing to protect and maintain it.

When all these things are lacking there is no culture; there is in the strictest sense of the word, barbarism. And let us not deceive ourselves, this is what is beginning to appear in Europe under the progressive rebellion of the masses. The traveller who arrives in a barbarous country knows that in that territory there are no ruling principles to which it is possible to appeal. Properly speaking, there are no barbarian standards. Barbarism is the absence of standards to which appeal can be made.

Although I consider our political world to be the best of which we have any historical knowledge, we should beware of attributing this fact to democracy or to freedom. Freedom is not a supplier who delivers goods to our door. Democracy does not ensure that anything is accomplished - certainly not an economic miracle. It is wrong and dangerous to extol freedom by telling people that they will certainly be all right once they are free. How someone fares in life is largely a matter of luck or grace, and to a comparatively small degree perhaps also of competence, diligence, and other virtues. The most we can say of democracy or freedom is that they give our personal abilities a little more influence on our well-being.

Now the mass of mankind are plainly... choosing a life like that of brute animals...

The difference between a pessimistic and an optimistic mind is of such controlling importance in regard to every intellectual function, and especially for the conduct of life, that it is out of the question to admit that both are normal, and the great majority of mankind are naturally optimistic.

There is absolutely no inevitability, so long as there is a willingness to contemplate what is happening.

The moral decline we are compelled to witness and the suffering it engenders are so oppressive that one cannot ignore them even for a moment. No matter how deeply one immerses oneself in work, a haunting feeling of inescapable tragedy persists. Still, there are moments when one feels free from one's own identification with human limitations and inadequacies. At such moments, one imagines that one stands on some spot of a small planet, gazing in amazement at the cold yet profoundly moving beauty of the eternal, the unfathomable: life and death flow into one, and there is neither evolution nor destiny; only being.