A country which does not respect the rights of its own citizens will not respect the rights of its neighbours

I've always thought that the most powerful weapon in the world was the bomb and that's why I gave it to my people, but I've come to the conclusion that the most powerful weapon in the world is not the bomb but it's the truth

I regard the death penalty as a savage and immoral institution that undermines the moral and legal foundations of society.

A country which does not respect the rights of its own citizens will not respect the rights of its neighbours

Intellectual freedom is essential -- freedom to obtain and distribute information, freedom for open-minded and unfearing debate and freedom from pressure by officialdom and prejudices. Such freedom of thought is the only guarantee against an infection of people by mass myths, which, in the hands of treacherous hypocrites and demagogues, can be transformed into bloody dictatorship.

International affairs must be completely permeated with scientific methodology and a democratic spirit, with a fearless weighing of all facts, views, and theories, with maximum publicity of ultimate and intermediate goals, and with a consistency of principles.

In 1947 I defended my thesis on nuclear physics, and in 1948 I was included in a group of research scientists whose task was to develop nuclear weapons.