Aristotle

"We are what we repeatedly do. Therefore, excellence is not an act but a habit."

"The soul never thinks without an image."

"A friend is a single soul dwelling in two bodies."

"Anybody can become angry—that is easy. But to be angry with the right person, to the right degree, at the right time, for the right purpose, and in the right way—that is not easy."

"Wonder is the beginning of wisdom."

"Happiness is the meaning and the purpose of life, the whole aim and end of human existence."

"He who cannot live in society, or has no need for it because he is sufficient unto himself, must be either a beast or a god."

"We must not live to eat, but eat to live."

"The law is reason, free from passion."