“Those who dare to fail miserably can achieve greatly. ”

“Only those who dare to fail greatly can ever achieve greatly.”

“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.”

“Those who foolishly sought power by riding the back of the tiger ended up inside”

“Those who make peaceful revolution impossible will make violent revolution inevitable."[Remarks on the first anniversary of the Alliance for Progress, 13 March 1962]”

“Great crisis produce great men and great deeds of courage.”

“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]”