Date: c. 501 B.C.

"For souls it is death to become water, and for water death to become earth. Water comes into existence out of earth, and soul out of water."

— Heraklitus (fl. 504-1 BCE)

Date: c. 501 B.C.

"[He used to say that] there is a greater need to extinguish hybris than there is a blazing fire."

— Heraklitus (fl. 504-1 BCE)

Date: c. 501 B.C.

"One would never discover the limits of soul, should one traverse every road--so deep a measure does it possess."

— Heraklitus (fl. 504-1 BCE)

Date: c. 501 B.C.

"[He used to say that] thinking is an instance of the sacred disease and that sight is deceptive."

— Heraklitus (fl. 504-1 BCE)

Date: c. 501 B.C.

"It is difficult to fight with one's heart's desire. Whatever it wishes to get, it purchases at the cost of soul."

— Heraklitus (fl. 504-1 BCE)

Date: c. 501 B.C.

"[And Heraclitus said, admirably that those] souls have the sense of smell in Hades."

— Heraklitus (fl. 504-1 BCE)

Date: c. 501 B.C.

"Poor witnesses for people are eyes and ears if they possess barbarian souls."

— Heraklitus (fl. 504-1 BCE)

Date: c. 501 B.C.

"A man, when he gets drunk, is led by a beardless lad, tripping, knowing not where he steps, having his soul moist."

— Heraklitus (fl. 504-1 BCE)

Date: c. 501 B.C.

"A dry gleam of light is the wisest and best soul."

— Heraklitus (fl. 504-1 BCE)

Date: c. 387 B.C.

"[T]hat as you ought not to attempt to cure the eyes without the head, or the head without the body, so neither ought you attempt to cure the body without the soul."

— Plato (427 BC - 347 BC)