Our virtues are voluntary (and in fact we are in a sense ourselves partly the cause of our moral dispositions, and it is our having a certain character that makes us set up an end of a certain kind), it follows that our vices are voluntary also; they are voluntary in the same manner as our virtues.

The goal of war is peace, of business, leisure

It is possible to fail in many ways...while to succeed is possible only in one way.

Metaphor is halfway between the unintelligible and the commonplace.

For contemplation is both the highest form of activity (since the intellect is the highest thing in us, and the objects that it apprehends are the highest things that can be known), and also it is the most continuous, because we are more capable of continuous contemplation than we are of any practical activity.

Wonder implies the desire to learn.

The End is included among goods of the soul, and not among external goods.