“ We prefer world law in the age of self-determination to world war in the age of mass extermination. ”

“ Change is the law of life. And those who look only to the past or present are certain to miss the future. ”

“ The courage of life is often a less dramatic spectacle than the courage of a final moment but it is no less a magnificent mixture of triumph and tragedy. ”

“ Once you say you're going to settle for second, that's what happens to you in life. ”

“ I look forward to a great future for America - a future in which our country will match its military strength with our moral restraint, its wealth with our wisdom, its power with our purpose. ”

“ The greater our knowledge increases the more our ignorance unfolds. ”

“ When written in Chinese, the word 'crisis' is composed of two characters. One represents danger and the other represents opportunity. ”

“ I am sorry to say that there is too much point to the wisecrack that life is extinct on other planets because their scientists were more advanced than ours. ”

“ We must use time as a tool, not as a couch. ”

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