Love is an endless mystery, for it has nothing else to explain it.

We have not invaded anyone. We have not conquered anyone. We have not grabbed their land, their culture, their history and tried to enforce our way of life on them.

One strength of the communist system of the East is that it has some of the character of a religion and inspires the emotions of a religion.

Innovation is futuristic. Those who do not innovate are bound to stagnate.

I think and think for months and years. Ninety-nine times, the conclusion is false. The hundredth time I am right.

When you're young, you look at television and think, there's a conspiracy. The networks have conspired to dumb us down. But when you get a little older, you realize that's not true. The networks are in business to give people exactly what they want.

It is a far, far better thing that I do, than I have ever done; it is a far, far better rest that I go to, than I have ever known.

My fellow Americans, we are and always will be a nation of immigrants. We were strangers once, too.

If we are not free, no one will respect us.

The great defense against the air menace is to attack the enemy's aircraft as near as possible to their point of departure. 

A statement is persuasive and credible either because it is directly self-evident or because it appears to be proved from other statements that are so.

I can’t find time for busy people. I am as busy as they are!