If we want a free and peaceful world, if we want to make the deserts bloom and man grow to greater dignity as a human being - we can do it.

experience should teach us that it is always the unexpected that does occur.

Usefulness, whatever form it may take, is the price we should pay for the air we breathe and the food we eat and the privilege of being alive.

The motivating force of the theory of a Democratic way of life is still a belief that as individuals we live cooperatively, and, to the best of our ability, serve the community in which we live.

I never thought of achievement. I just did what came along for me to do - the thing that gave me the most pleasure.

If you can develop this ability to see what you look at, to understand its meaning, to readjust your knowledge to this new information, you can continue to learn and to grow as long as you live and you’ll have a wonderful time doing it.

Be flexible, but stick to your principles.