I don't read my reviews, I measure them.

We need a sense of the value of time - that is, of the best way to divide one's time into one's various activities.

Time is the explicable raw material of everything.

Happiness includes chiefly the idea of satisfaction after full honest effort. No one can possibly be satisfied and no one can be happy who feels that in some paramount affairs he failed to take up the challenge of life.

I think it rather fine, this necessity for the tense bracing of the will before anything worth doing can be done. I rather like it myself. I feel it is to be the chief thing that differentiates me from the cat by the fire.

The people who live in the past must yield to the people who live in the future. Otherwise the world would begin to turn the other way round.

A first-rate organizer is never in a hurry. He is never late. He always keeps up his sleeve a margin for the unexpected.