The tragedy of life is in what dies inside a man while he lives - the death of genuine feeling, the death of inspired response, the awareness that makes it possible to feel the pain or the glory of other men in yourself.

Words have to be crafted, not sprayed. They need to be fitted together with infinite care.

What was significant about the laughter . . . was not just the fact that it provides internal exercise for a person . . . form of jogging for the innards, but that it creates a mood in which the other positive emotions can be put to work, too.

Although a man may have no jurisdiction over the fact of his existence, he can hold supreme command over the meaning of existence for him.

We are wide-eyed in contemplating the possibility that life may exist elsewhere in the universe, but we wear blinders when contemplating the possibilities of life on earth.

We will not have peace by afterthought.

Optimism doesn't wait on facts. It deals with prospects. Pessimism is a waste of time.