Even at the outset, the total and massive quality has its uniqueness; even when vague and undefined, it is just that which it is and not anything else. If the perception continues, discrimination inevitably sets in. Attention must move, and as it moves, parts, members, emerge from the background. And if attention moves in a unified direction instead of wandering, it is controlled by the pervading qualitative unity; attention is controlled by it because it operates within it.