Do not despise your own place and hour. Every place is under the stars, every place is the center of the world.

The five original nuclear weapon states I mentioned - U.S., Britain, France, China, and Russia - under the NPT have committed to the achievement of the elimination of their nuclear arsenals through good faith negotiations of nuclear disarmament - that's Article Six of the treaty.

Basically [United States and France] said "We will use nuclear weapons whenever it suits our purposes to do so." So this expansion of doctrines regarding possible use of nuclear weapons makes them more, you know, sort of, salient and important and so it's increasing the perceived political value of nuclear weapons and therefore causing or contributing to possible proliferation.

A man’s life may stagnate as literally as water may stagnate, and just as motion and direction are the remedy for one, so purpose and activity are the remedy for the other.

How much there is in books that one does not want to know, that it would be a mere weariness and burden to the spirit to know.

Every walk to the woods is a religious rite, every bath in the stream is a saving ordinance. Communion service is at all hours, and the bread and wine are from the heart and marrow of Mother Earth.

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.