Full Idea
Some assert that motion is perceived by sense, but others that it is not perceived at all by sense but by the intellect through sensation.
Gist of Idea
Some say motion is perceived by sense, but others say it is by intellect
Source
Sextus Empiricus (Against the Physicists (two books) [c.180], II.062)
Book Reference
Sextus Empiricus: 'Against the Physicists/Against the Ethicists', ed/tr. Bury,R.G. [Harvard Loeb 1997], p.241
A Reaction
Descartes' wax argument defends the idea that change is perceived by intellect. The intellect has to distinguish the relative aspect of each motion, such as when someone is walking around on a moving ship. Even sense also need memory.
Related Idea
Idea 22747 A man walking backwards on a forwards-moving ship is moving in a fixed place [Sext.Empiricus]