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

To the scientist Nature is a storehouse of facts, laws, processes; to the artist she is a storehouse of pictures; to the poet she is a storehouse of images, fancies, a source of inspiration; to the moralist she is a storehouse of precepts and parables; to all she may be a source of knowledge and joy.

I think rain is as necessary to the mind as to vegetation. My very thoughts become thirsty, and crave the moisture.

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.

Happiness comes most to persons who seek it least and think least about it. It is not an object to be sought, it is a state to be induced. It must follow and not lead. It must overtake you, and not you overtake it.

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.

So the idea about how detonation of a nuclear weapon might happen vary, you know - some people are especially concerned about terrorists getting their hands on nuclear weapons and using them. Some people are worried that there might be a nuclear war between India and Pakistan. Some think the Middle East, were Israel already has nuclear weapons and where other countries may be interested at some point and acquiring them, might be a flash point.