All who are not lunatics are agreed about certain things : That it is better to be alive than dead, better to be adequately fed than starved, better to be free than a slave

Zeno was concerned with three problems... These are the problem of the infinitesimal, the infinite, and continuity.

Shakespeare . . . If he does not give you delight, you had better ignore him [if you can].

The man who pursues happiness wisely will aim at the possession of a number of subsidiary interests in addition to those central ones upon which his life is built.

While I am as convinced a Socialist as the most ardent Marxian, I do not regard Socialism as a gospel of proletarian revenge, nor even, primarily, as a means of securing economic justice. I regard it primarily as an adjustment to machine production demanded by considerations of common sense, and calculated to increase the happiness, not only of proletarians, but of all except a tiny minority of the human race.

What will be the good of the conquest of leisure and health, if no one remembers how to use them?

We must be skeptical even of our skepticism.