“Πάντων χρημάτων μέτρον άνθρωπο[ς]” *
Πρωταγόρας (Πλάτων, Θεαίτητος, 151e-152c)
* The human being is the measure of all things.
Protagoras, quoted by Plato in Theaetetus, 151e-152c
(in this dialogue, Socrates, talking to Theaetetus, quotes Protagoras)
Illustration based on The Vitruvian Man, a drawing by Leonardo da Vinci, around 1492.
All quotes in the Dictionnary of quotes.