Quotes by John F. Kennedy

Our problems are man-made, therefore they may be solved by man. No problem of human destiny is beyond human beings.

The American, by nature, is optimistic. He is experimental, an inventor and a builder who builds best when called upon to build greatly.

The great enemy of the truth is very often not the lie -- deliberate, contrived and dishonest, but the myth, persistent, persuasive, and unrealistic. Belief in myths allows the comfort of opinion without the discomfort of thought.

The time to repair the roof is when the sun is shining.

There are risks and costs to a program of action. But they are far less than the long-range risks and costs of comfortable inaction.

We must use time as a tool, not as a crutch.

We set sail on this new sea because there is knowledge to be gained.

We stand for freedom. That is our conviction for ourselves; that is our only commitment to others.

When we got into office, the thing that surprised me the most was that things were as bad as we'd been saying they were.

Change is the law of life. And those who look only to the past or present are certain to miss the future.