John F. Kennedy

Without debate, without criticism no administration and no country can succeed and no republic can survive.

She breathes all the political gases that flow around this, but she never seems to inhale them.

The great enemy of truth is very often not the lie--deliberate, contrived and dishonest--but the myth--persistent, persuasive and unrealistic. Too often we hold fast to the cliches of our forebears. We subject all facts to a prefabricated set of interpretations. We enjoy the comfort of opinion without the discomfort of th

The greater our knowledge increases the greater our ignorance unfolds.

Science contributes to our culture in many ways, as a creative intellectual activity in its own right, as the light which has served to illuminate man's place in the universe, and as the source of understanding of man's own nature.