As we express our gratitude, we must never forget that the highest appreciation is not to utter words, but to live by them.
My fellow Americans, ask not what your country can do for you, ask what you can do for your country.
Forgive your enemies, but never forget their names.
Let us never negotiate out of fear. But let us never fear to negotiate.
A man may die, nations may rise and fall, but an idea lives on.
Mankind must put an end to war before war puts an end to mankind.
Change is the law of life. And those who look only to the past or present are certain to miss the future.
Those who make peaceful revolution impossible will make violent revolution inevitable.
If a free society cannot help the many who are poor, it cannot save the few who are rich.
If we cannot now end our differences, at least we can help make the world safe for diversity.