If a book is easy and fits nicely into all your language conventions and thought forms, then you probably will not grow much from reading it. It may be entertaining, but not enlarging to your understanding. It’s the hard books that count. Raking is easy, but all you get is leaves; digging is hard, but you might find diamonds.

The tragedy of being both rational and animal seems to consist in having to choose between duty and desire rather than in making any particular choice

Freedom is the emancipation from the arbitrary rule of other men.

Aristotle uses a mother's love for her child as the prime example of love or friendship.

We wish the joy of love, the joy of companionship, of being in the company of, in the presence of the person we love, of living a common life with that person, perhaps ultimately the joy of perfect union.

Friendship is a very taxing and arduous form of leisure activity.

... The person who, at any stage of a conversation, disagrees, should at least hope to reach agreement in the end. He should be as much prepared to have his own mind changed as seek to change the mind of another ... No one who looks upon disagreement as an occasion for teaching another should forget that it is also an occasion for being taught.