Unless Americans come to realize that they are not stronger in the world because they have the bomb but weaker because of their vulnerability to atomic attack, they are not likely to conduct their policy at Lake Success [the United Nations] or in their relations with Russia in a spirit that furthers the arrival at an understanding.

Artists and creative workers - people who have accomplished work worthwhile have had a very high sense of the way to do things. They haven't been contented with mediocrity. They haven't confined themselves to the beaten tracks; they have never been satisfied to do things just as others do them, but always a little better. Few are those who see with their own eyesand feel with their own hearts.

To the extent math refers to reality, we are not certain to the extent we are certain, math does not refer to reality.

Never underestimate your own ignorance.

Everything that exists in your life, does so because of two things: something you did or something you didn't do.

Everything you can imagine, nature has already created.

If you can't explain something simply, you don't know enough about it.