The security provided by a long-held belief system, even when poorly founded, is a strong impediment to progress. General acceptance of a practice becomes the proof of its validity, though it lacks all other merit.

Some of life's biggest and most positive changes are propelled by mini conspiracies of a few well-meaning folks.

As long as we rationalize nuclear weapons as "necessary" in order to save American lives, then nuclear weapons will never be gotten rid of.

We must convince each generation that they are but transient passengers on this planet earth. It does not belong to them. They are not free to doom generations yet unborn. They are not at liberty to erase humanity's past nor dim its future.

Nuclear weapons will not be gotten rid of until the United States confronts the magnitude of the horror, the tragedy, and the long-term suffering of the victims

The International Declaration of Human Rights says the right to housing, health, education should be guaranteed to everyone. The moment these things are provided, we will have a different world order and nuclear weapons will become less of a threat.

Nuclear bombs have made mass murder a reality. Nuclear bombs threaten humankind.