Worry is interest paid on trouble before it comes due.

The whole of nature, as has been said, is a conjugation of the verb to eat, in the active and in the passive.

Theater is, of course, a reflection of life. Maybe we have to improve life before we can hope to improve theater.

There is no law of progress. Our future is in our own hands, to make or to mar. It will be an uphill fight to the end, and would we have it otherwise? Let no one suppose that evolution will ever exempt us from struggles. 'You forget,' said the Devil, with a chuckle, 'that I have been evolving too.

The whole of creation, with all of its laws, is a revelation of God.

If the universe is running down like a clock, the clock must have been wound up at a date which we could name if we knew it. The world, if it is to have an end in time, must have had a beginning in time.

Nobody is bored when he is trying to make something that is beautiful or to discover something that is true.