Those who make peaceful revolution impossible will make violent revolution inevitable.

Those who make peaceful revolution impossible will make violent revolution inevitable.

If this capsule history of our progress teaches us anything, it is that man, in his quest for knowledge and progress, is determined and cannot be deterred.

The future promise of any nation can be directly measured by the present prospects of its youth.

There is, in addition to a courage with which men die; a courage by which men must live.

Our deep spiritual confidence that this nation will survive the perils of today - which may well be with us for decades to come - compels us to invest in our nation's future, to consider and meet our obligations to our children and the numberless generations that will follow.

Most cities are nouns. New York's a verb.