It is an unfortunate fact that we can secure peace only by preparing for war.

Forgive your enemies, but never forget their names.

The ignorance of one voter in a democracy impairs the security of all.

The great enemy of the truth is very often not the lie, deliberate, contrived and dishonest, but the myth, persistent, persuasive and unrealistic.

Our problems are man-made, therefore they may be solved by man. And man can be as big as he wants. No problem of human destiny is beyond human beings.

If we cannot now end our differences, at least we can help make the world safe for diversity.

Praise the bridge that carried you over.

Leave the matter of religion to the family altar, the church, and the private school, supported entirely by private contributions. Keep the church and state forever separate.

Keep your face always toward the sunshine - and shadows will fall behind you.

I hate this fast growing tendency to chain men to machines in big factories and deprive them of all joy in their efforts - the plan will lead to cheap men and cheap products.

When you are on a great horse, you have the best seat you will ever have.

Courage isn't having the strength to go on - it is going on when you don't have strength.

One day I will find the right words, and they will be simple.

Romance should never begin with sentiment. It should begin with science and end with a settlement.

Action without study fatal. Study without action is futile.