Every inhabitant of this planet must contemplate the day when this planet may no longer be habitable .. The weapons of war must be abolished before they abolish us.
John F. KennedyFor only when our arms are sufficient beyond doubt can we be certain beyond doubt that they will never be employed.
John F. KennedyWe don't want to be like the leader in the French Revolution who said There go my people, I must find out where they are going so I can lead them.
John F. KennedyBut Goethe tells us in his greatest poem that Faust lost the liberty of his soul when he said to the passing moment: "Stay, thou art so fair." And our liberty, too, is endangered if we pause for the passing moment, if we rest on our achievements, if we resist the pace of progress. Change is the law of life. And those who look only to the past are certain to miss the future.
John F. Kennedy