The things best to know are first principles and causes, but these things are perhaps the most difficult for men to grasp, for they are farthest removed from the senses.
AristotleMelancholy men of all others are most witty, which causeth many times a divine ravishment, and a kinde of Enthusiasmus, which stirreth them up to bee excellent Philosophers, Poets, Prophets, etc.
AristotleIt is their character indeed that makes people who they are. But it is by reason of their actions that they are happy or the reverse.
Aristotle