Nature comes home to one most when one is at home. The stranger and traveler finds her a stranger and traveler also.

The most precious things of life are near at hand, without money and without price. Each of you has the whole wealth of the universe at your very door. All that I ever had, and still have, may be yours by stretching forth your hand and taking it.

One is tempted to say that the most human plants, after all, are the weeds.

The countries outside the Non-Proliferation Treaty also are bound by that obligation [ Article Six of the treaty] according to, at least it's a strong implication of, a 1996 opinion of the International Court of Justice.

[Invading Iraq] is not the best way to make a safer world in which the United States would be a responsible partner, but it also goes against the role of law in the United States.

The U.S. had about 10,000 nuclear warheads. It is estimated that the U.S. is heading towards having 6,000 nuclear warheads in the year 2012.

Joy in the universe, and keen curiosity about it all - that has been my religion.