[186b]
in relation to the future.
Socrates
Stop there. Does it not perceive the hardness of the hard through touch, and likewise the softness of the soft?
Theaetetus
Yes.
Socrates
But their essential nature and the fact that they exist, and their opposition to one another, and, in turn, the essential nature of this opposition, the soul itself tries to determine for us by reverting to them and comparing them with one another.
Theaetetus
Certainly.
Socrates
Is it not true, then, that all sensations which reach the soul through the body,