“We choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard.[Address at Rice University, September 12 1962]”

“Too often we hold fast to the clichés 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]”

“I really don't know why it is that all of us are so committed to the sea, except I think it's because in addition to the fact that the sea changes, and the light changes, and ships change, it's because we all came from the sea. And it is an interesting biological fact that all of us have in our veins the exact same percentage of salt in our blood that exists in the ocean, and, therefore, we have salt in our blood, in our sweat, in our tears. We are tied to the ocean. And when we go back to the sea - whether it is to sail or to watch it - we are going back from whence we came.[Remarks at the Dinner for the America's Cup Crews, September 14 1962]”

“The time to repair the roof is when the sun is shining.[State of the Union Address January 11 1962]”

“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]”

“Mankind must put an end to war - or war will put an end to mankind.[Address before the United Nations, September 25 1961]”

“Peace is a daily, a weekly, a monthly process, gradually changing opinions, slowly eroding old barriers, quietly building new structures. And however undramatic the pursuit of peace, that pursuit must go on.[Address before the United Nations, September 20 1963]”