"A man may die, nations may rise and fall, but an idea lives on. Ideas have endurance without death.[Remarks Recorded for the Opening of a USIA Transmitter, February 8 1963]"
"Once you say you're going to settle for second, that's what happens to you in life."
"The rights of every man are diminished when the rights of one man are threatened."
"Liberty without Learning is always in peril and Learning without Liberty is always in vain."
"Change is the law of life. And those who look only to the past or present are certain to miss the future."
"The great enemy of truth is very often not the lie--deliberate, contrived and dishonest--but the myth--persistent, persuasive and unrealistic. Too often we hold fast to the cliches of our forebears. We subject all facts to a prefabricated set of interpretations. We enjoy the comfort of opinion without the discomfort of thought.[Commencement Address at Yale University, June 11 1962]"