Heraclitus

-535 — -475

Ancient Greek philosopher, founder of a philosophical school, known for his concept of eternal becoming and the doctrine of the unity of opposites.

"Everything flows, everything changes."

"You can never step into the same river twice."

"Struggle is the mother of all things."

"Opposites transform into one another."

"It is better to be first in your town than last in Rome."

"A man's character is his fate."