IV. But this theory of 'pure perception' had to be both qualified and completed in regard to twoReal action and virtual action. Transition to affection and memory. points. For the so-called 'pure' perception, which is like a fragment of reality, detached just as it is, would belong to a being unable to mingle with the perception of other bodies that of its own body, that is to say, its affections; nor with its intuition of the actual moment that of other moments, that is to say, its memory. In other words, we have, to begin with, and for the convenience of study, treated the living body as a mathematical point in space and conscious perception as a mathematical instant in time. We then had to restore to the body its extensity and to perception its duration. By this we restored to consciousness its two subjective elements, affectivity and memory.
What is an affection? Our perception, we said, indicates the possible action of our body on others. But our body, being extended, is capable of acting upon itself as well as upon other bodies. Into our perception, then, something of our body must enter. When we are dealing with external bodies, these are, by hypothesis, separated from ours by a space, greater or less, which measures the remoteness in time of their promise or of their menace: this is why our perception of these bodies indicates only possible actions. But the more the distance diminishes between these bodies and our own, the more the possible action
