“Leadership and learning are indispensable to each other.[Undelivered remarks for Dallas Trade Mart, November 22 1963]”

“Do not pray for easy lives. Pray to be stronger men.[Quoting Reverend Phillips Brooks, during Remarks at Presidential Prayer Breakfast, February 7 1963]”

“The men who create power make an indispensable contribution to the nation's greatness, but the men who question power make a contribution just as indispensable.”

“Change is the law of life. And those who look only to the past or the present are certain to miss the future.[Address in the Assembly Hall at the Paulskirche in Frankfurt, June 26 1963]”

“If we cannot end now our differences, at least we can help make the world safe for diversity.[Commencement Address at American University, June 10 1963]”

“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]”

“And is not peace, in the last analysis, basically a matter of human rights -- the right to live out our lives without fear of devastation – the right to breathe air as nature provided it -- the right of future generations to a healthy existence?" (John F. Kennedy, June 10, 1963, American University speech)”