Science has radically changed the conditions of human life on earth. It has expanded our knowledge and our power, but not our capacity to use them with wisdom.

Educational exchange can turn nations into people, contributing as no other form of communication can to the humanizing of international relations

We must dare to think 'unthinkable' thoughts. We must learn to explore all the options and possibilities that confront us in a complex and rapidly changing world.

In the long course of history, having people who understand your thought is much greater security than another submarine.

The Program further aims to make the benefits of American culture and technology available to the world and to enrich American life by exposing it to the science and art of many societies.

In a democracy dissent is an act of faith. Like medicine, the test of its value is not in its taste, but in its effects.

The price of empire is America's soul, and that price is too high.

"The making of peace is a continuing process that must go on from day to day, from year to year, so long as our civilization shall last."

Law is the essential foundation of stability and order both within societies and in international relations.

We must care to think about the unthinkable things, because when things become unthinkable, thinking stops and action becomes mindless.

In a democracy, dissent is an act of faith.

Live, not just for livingLive, not just for gettingLive for the beauty of lovingLive for the joy of giving.

First know the Self and then talk of social reformation.

True Success adds value to others

My proceeds from the PayPal acquisition were $180 million. I put $100 million in SpaceX, $70m in Tesla, and $10m in Solar City. I had to borrow money for rent.

In science, we must be interested in things, not in persons.

Half Man, Half Sit-Out-The-Season.

The only way to reconcile science and religion is to set up something which is not science and something that is not religion.

... the fouling of the nest which has been typical of man's activity in the past on a local scale now seems to be extending to the whole world society.

Have a core concept, but wrap it in a full business model.

The way to become famous fast is to throw a brick at someone who is famous.