Change is an illusion because we're always at the place where any future can take us.

There is a peculiar contradiction in trying to be a member of a republic while believing that the universe is a monarchy.

The self-styled practical man of affairs who pooh-poohs philosophy as a lot of windy notions is himself a pragmatist or a positivist, and a bad one at that, since he has given no thought to his position.

To play so as to be relaxed and refreshed for work is not to play, and no work is well and finely done unless it, too, is a form of play.

The greater part of human activity is designed to make permanent those experiences and joys which are only lovable because they are changing.

... nets, grids, and other types of calculus.

Truly great companies are built on ideals, not just deals.