I'm always rather nervous about how you talk about women who are active in politics, whether they want to be talked about as women or as politicians. - John F. Kennedy

As we express our gratitude, we must never forget that the highest appreciation is not to utter words, but to live by them.

And third, medical space research may lead to new safeguards against hazards common to many environments. Specifically, our astronauts will need fundamentally new devices to protect them from the ill effects of radiation which can have a profound influence upon medicine and man's relations to our present environment.

A man may die, nations may rise and fall, but an idea lives on. Ideas have endurance without death.