That which distinguishes this day from all others is that then both orators and artillerymen shoot blank cartridges.

Unfortunately, nuclear weapons have become identified with state power.

The fuel in the earth will be exhausted in a thousand or more years, and its mineral wealth, but man will find substitutes for these in the winds, the waves, the sun's heat, and so forth.

Science makes no claim to infallibility; it leaves that claim to be made by theologians.

The Kingdom of Heaven is not a place, but a state of mind.

Following World War II, the U.S. was the architect of the UN system, and the world financial system, and the Human Rights Declaration, and of course the United Nations is based here in New York City. But, unfortunately, especially in the last decade, the U.S. really has been turning its back on international agreements and the set of agencies and procedures that they create as a means for governing the world.

You cannot use [nuclear weapons] to target civilians; you cannot use them against military targets if they have indiscriminate effects on civilians in addition to the attack on the military target.