Conjugal love, or the friendship of spouses, persists after sexual desires have weakened, withered, and disappeared.

Political democracy cannot flourish under all economic conditions. Democracy requires an economic system which supports the political ideals of liberty and equality for all. Men cannot exercise freedom in the political sphere when they are deprived of it in the economic sphere.

A lecture has been well described as the process whereby the notes of the teacher become the notes of the student without passing through the mind of either.

Habits are formed by the repetition of particular acts. They are strengthened by an increase in the number of repeated acts. Habits are also weakened or broken, and contrary habits are formed by the repetition of contrary acts.

If your friend wishes to read your 'Plutarch's Lives,' 'Shakespeare,' or 'The Federalist Papers,' tell him gently but firmly, to buy a copy. You will lend him your car or your coat - but your books are as much a part of you as your head or your heart.

Sometimes it feels like I'm thinking against the wind.

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