The purpose of education is to enable us to develop to the fullest that which is inside us.

The only security for the American people today, or for any people, is to be found through the control of force rather than the use of force..

Laughter is a form of internal jogging. It moves your internal organs around. It enhances respiration. It is an igniter of great expectations..

The human body experiences a powerful gravitational pull in the direction of hope.

The individual is capable of both great compassion and great indifference. He has it within his means to nourish the former and outgrow the latter..

The real wealth, not only of America, but of the world, is in the resources of the ground we stand on, and in the resources of the humankind..

The sense of paralysis proceeds not so much out of the mammoth size of the problem but out of the puniness of the purpose..

Don't defy the diagnosis, try to defy the verdict..

The main failure of education is that it has not prepared people to comprehend matters concerning human destiny..

Do you prefer that you be right or happy?.

The possibility of war increases in direct proportion to the effectiveness of the instruments of war..

To be able to rise from the earth; to be able, from a station in outer space, to see the relationship of the planet earth to other planets; to be abl….

We have learned to live in a world of mistakes and defective products as if they were necessary to life. It is time to adopt a new philosophy in Amer….

To talk about the need for perfection in man is to talk about the need for another species..

The main trouble with despair is that it is self-fulfilling..

Humanity today is not safe in the presence of humanity. The old cannibalism has given way to anonymous action in which the killer and the killed do n….

Time given to thought is the greatest time saver of all..

History is a vast early warning system..

Infinity converts the possible into the inevitable..

The essence of man is imperfection. Failure is simply a price we pay to achieve success. If we learn to embrace that new definition of failure, then ….

The old emphasis upon superficial differences that separate peoples must give way to education for citizenship in the human community..