Date: c. 370-365 B.C.

"The reason why the souls exhibit this exceeding eagerness to behold the Plain of Truth is that pasturage is found there, which is suited to the highest part of the soul; and the wing on which the soul soars is nourished with this."

— Plato (427 BC - 347 BC)

Date: c. 370-365 B.C.

"During this process the whole soul is all in a state of ebullition and effervescence,--which may be compared to the irritation and uneasiness in the gums at the time of cutting teeth,--bubbles up, and has a feeling of uneasiness and tickling; but when in like manner the soul is beginning to grow...

— Plato (427 BC - 347 BC)

Date: 360-355 B.C.

"Well, my art of midwifery is in most respects like theirs; but differs, in that I attend men and not women, and I look after their souls when they are in labour, and not after their bodies: and the triumph of my art is in thoroughly examining whether the thought which the mind of the young man b...

— Plato (427 BC - 347 BC)