He who marvels at the beauty of the world in summer will find equal cause for wonder and admiration in winter.

There is hardly a man on earth who will take advice unless he is certain that it is positively bad.

I have discovered the secret of happiness - it is work, either with the hands or the head. The moment I have something to do, the draughts are open and my chimney draws, and I am happy.

In the printed page the only real things are the paper and the ink; the white spaces play the same part in aiding the eye to take in the meaning of the print as do the black letters.

[Theodore Roosevelt] was a naturalist on the broadest grounds, uniting much technical knowledge with knowledge of the daily lives and habits of all forms of wild life. He probably knew tenfold more natural history than all the presidents who had preceded him, and, I think one is safe in saying, more human history also.

The budget for nuclear forces in the United States is on the order of $25 billion or so. That includes warheads, delivery systems, command and control; does not include environmental clean-up, which is another maybe $10 billion or so. So that's about 5% of the U.S. military budget.

Some scenes you juggle two balls, some scenes you juggle three balls, some scenes you can juggle five balls. The key is always to speak in your own voice. Speak the truth. That's Acting 101. Then you start putting layers on top of that.