Aristotle (c. 384-322 BCE)
“We can in our speculations postulate any ideal conditions we like, but they should at least be within the limits of possibility.”
- From Aristotle’s Politics (Bekker page 1265a), translated by T. A. Sinclair and revised by T. J. Saunders (Penguin Classics, 1962, 1981, 1992).
