Sextus Empiricus Pyrrhoniae Hypotyposes 3.10.66

[66] We shall begin with those who affirm its real existence.

These base their view mainly on ‟evidence.” ¹ If, say they, motion does not exist, how does the sun move from east to west, and how does it produce the seasons of the year, which are brought about by its approximations to us and its recessions from us? Or how do ships put out from harbours and cast anchor in other harbours very far distant from the first?, And in what fashion does the denier of motion proceed from his house and return to it again? These facts are perfectly incontestable. Consequently, when one of the Cynics ² had an argument against motion put to him, he made no reply but stood up and began to walk, thus demonstrating by his action and by ‟evidence” that motion is capable of real existence.

So these men attempt in this way to put to shame those who hold the contrary opinion;