Who said "To live well is to think well and observe carefully."?

This quote is attributed to Anaxagoras.

To live well is to think well and observe carefully. - Anaxagoras

"To live well is to think well and observe carefully."

Anaxagoras Life

Philosopher Ancient Greece 500–428

"Appearances are a glimpse of the unseen."

"Mind is the finest thing that exists."

"Everything has a natural explanation."

"The greatest things are the smallest."

"Life is meant to be lived with passion."

"Life is what happens when you're busy making other plans."

"Life is a journey, not a destination."

"Life's too short for regrets."