There are incalculable resources in the human spirit, once it has been set free.

To err is human. To blame someone else is politics.

Propaganda, to be effective, must be believed. To be believed, it must be credible. To be credible, it must be true.

Fortunately, the time has long passed when people liked to regard the United States as some kind of melting pot, taking men and women from every part of the world and converting them into standardized, homogenized Americans. We are, I think, much more mature and wise today. Just as we welcome a world of diversity, so we glory in an America of diversity -- an America all the richer for the many different and distinctive strands of which it is woven.

The way we treat our children in the dawn of their lives and the way we treat our elderly in the twilight of their lives is a measure of the quality of a nation.

For the first time in the history of mankind, one generation literally has the power to destroy the past, the present and the future, the power to bring time to an end.

A politician never forgets the precarious nature of elective life. We have never established a practice of tenure in public office.