Peace cannot be kept by force; it can only be achieved by understanding.

It was, of course, a lie what you read about my religious convictions, a lie which is being systematically repeated. I do not believe in a personal God and I have never denied this but have expressed it clearly. If something is in me which can be called religious then it is the unbounded admiration for the structure of the world so far as our science can reveal it.

Out of complexity, find simplicity!

Our task is to widen our circle of compassion to include all living beings and all of nature

If I had an hour to solve a problem I'd spend 55 minutes thinking about the problem and 5 minutes thinking about solutions.

Any brief military advantage the USA might gain with nuclear weapons would be offset by political and psychological losses and damage to American prestige. The United States might even touch off a worldwide armaments race.

My deep religiosity [...] found an abrupt ending at the age of twelve, through the reading of popular scientific books.