It is an unfortunate fact that we can secure peace only by preparing for war – John F. Kennedy

The great enemy of the truth is very often not the lie, deliberate, contrived and dishonest, but the myth, persistent, persuasive and unrealistic – John F. Kennedy

Our growing softness, our increasing lack of physical fitness, is a menace to our security – John F. Kennedy

Too often we. enjoy the comfort of opinion without the discomfort of thought – John F. Kennedy

Efforts and courage are not enough without purpose and direction – John F. Kennedy

For time and the world do not stand still. Change is the law of life. And those who look only to the past or the present are certain to miss the future – John F. Kennedy