I think that the formation of [DNA's] structure by Watson and Crick may turn out to be the greatest developments in the field of molecular genetics in recent years.

Science is the search for truth - it is not a game in which one tries to beat his opponent, to do harm to others.

The power to destroy the world by the use of nuclear weapons is a power that cannot be used - we cannot accept the idea of such monstrous immorality.

Does the commandment 'Thou Shalt Not Kill' mean nothing to us? Are we to interpret it as meaning 'Thou shalt not kill except on the grand scale,' or 'Thou shalt not kill except when the national leaders say to do so'?

I recognize that many physicists are smarter than I am-most of them theoretical physicists. A lot of smart people have gone into theoretical physics, therefore the field is extremely competitive. I console myself with the thought that although they may be smarter and may be deeper thinkers than I am, I have broader interests than they have.

Life is a relationship among molecules and not a property of any molecule.

Humanism is a philosophy of joyous service for the greater good of all humanity, of application of new ideas of scientific progress for the benefit of all.