I seldom go into a natural history museum without feeling as if I were attending a funeral.

We have produced some good walkers and saunterers, and some noted climbers; but as a staple recreation, as a daily practice, the mass of the people dislike and despise walking.

The spirit of man can endure only so much and when it is broken only a miracle can mend it.

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.

Look underfoot. You are always nearer to the true sources of your power than you think. The lure of the distant and the difficult is deceptive. The great opportunity is where you are. Don't despise your own place and hour. Every place is the center of the world.

The very idea of a bird is a symbol and a suggestion to the poet. A bird seems to be at the top of the scale, so vehement and intense his life. . . . The beautiful vagabonds, endowed with every grace, masters of all climes, and knowing no bounds - how many human aspirations are realised in their free, holiday-lives - and how many suggestions to the poet in their flight and song!

You cannot cause disproportionate damage to the environment; you cannot harm neutral states. The court said that the threat or use of nuclear weapons is generally contrary to the international law of armed conflict.