“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]”

“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)”

“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]”

“Time and the world do not stand still. Change is the law of life.”

“But wherever we are, we must all, in our daily lives, live up to the age-old faith that peace and freedom walk together. In too many of our cities today, the peace is not secure because freedom is incomplete." (John F. Kennedy, June 10, 1963, American University speech)”

“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]”