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

The thing that I focus on because I don't think it gets enough attention is that among the world's major powers, there is still a nuclear balance of terror - I'm talking about between the United States and Russia, the United States and China.

How beautiful the leaves grow old. How full of light and color are their last days.

For anything worth having one must pay the price; and the price is always work, patience, love, self-sacrifice - no paper currency, no promises to pay, but the gold of real service.

There is an international treaty framework for this. It's the Nuclear Non-Proliferation Treaty (NPT). Most countries in the world are members of the treaty.

Few persons realize how much of their happiness is dependent upon their work, upon the fact that they are busy and not left to feed upon themselves. Blessed is the person who has some congenial work, some occupation in which to place one's heart, and which affords a complete outlet to all the forces that are in him or her.

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.