Voting is the first duty of democracy.

A President's hardest task is not to do what is right, but to know what is right.

If we are to live together in peace, we must come to know each other better.

'All men are created equal', 'government by consent of the governed', 'give me liberty or give me death'. Well, those are not just clever words, or those are not just empty theories.

When the burdens of the presidency seem unusually heavy, I always remind myself it could be worse. I could be a mayor.

The moon and other celestial bodies should be free for exploration and use by all countries. No country should be permitted to advance a claim of sovereignty.

There are plenty of recommendations on how to get out of trouble cheaply and fast. Most of them come down to this: Deny your responsibility.