Book X.
Aristotle's Ethics
241
As I said then, they differ in kind, and you cannot at any time you choose find a Movement complete in its whole nature, but, if at all, in the whole time requisite.
And so it is with the Movement of walking and all others: for, if motion be a Movement from one place to another place, then of it too there are different kinds, flying, walking, leaping, and such-like. And not only so, but there are different kinds even in walking: the where-from and where-to are not the same in the whole Course as in a portion of it; nor in one portion as in another; nor is crossing this line the same as crossing that: because a man is not merely crossing a line but a line in a given place,1174b and this is in a different place from that.
Of Movement I have discoursed exactly in another treatise. I will now therefore only say that it seems not to be complete at any given moment; and that most movements are incomplete and specifically different, since the whence and whither constitute different species.
But of Pleasure the whole nature is complete at any given