For this is what America is all about. It is the uncrossed desert and the unclimbed ridge. It is the star that is not reached and the harvest that is sleeping in the unplowed ground.

Never miss an opportunity to say a word of congratulation upon anyone's achievement.

Doing the right thing is not the problem. Knowing what the right thing is, that's the challenge.

Today our problem is not making miracles, but managing them.

Poverty must not be a bar to learning and learning must offer an escape from poverty.

Our understanding of how to live with one another is still far behind our knowledge of how to destroy one another.

What convinces is conviction. Believe in the argument you're advancing. If you don't you're as good as dead. The other person will sense that something isn't there, and no chain of reasoning, no matter how logical or elegant or brilliant, will win your case for you.