Happiness is a quality of the soul...not a function of one's material circumstances.
All friendly feelings toward others come from the friendly feelings a person has for himself.
For it is owing to their wonder that men both now begin and at first began to philosophize... They were pursuing science in order to know, and not for any utilitarian end.
It is a part of probability that many improbable things will happen.
Evil draws men together.
No excellent soul is exempt from a mixture of madness.