Date: c. 387 B.C.

"And so some clever fellow, a Sicilian perhaps or Italian, writing in allegory, by a slight perversion of language named this part of the soul a jar, because it can be swayed and easily persuaded, and the foolish he called the uninitiate, and that part of the soul in foolish people where the desi...

— Plato (427 BC - 347 BC)

Date: 360-355 B.C.

"Imagine, then, for the sake of argument, that our minds contain a block of wax, which in this or that individual may be larger or smaller, and composed of wax that is comparatively pure or muddy, and harder in some, softer in others, and sometimes of just the right consistency."

— Plato (427 BC - 347 BC)

Date: 360-355 B.C.

"When we are babies we must suppose this receptacle empty, and take the birds to stand for pieces of knowledge."

— Plato (427 BC - 347 BC)