The only valid test of leadership is the ability to lead and lead vigorously.

The only valid test of leadership is the ability to lead and lead vigorously.

John F. Kennedy

We must abolish nuclear weapons, or they will abolish us.

We must abolish nuclear weapons, or they will abolish us.

Libraries should be open to all - except the censor.

Libraries should be open to all - except the censor.

The best road to progress is freedom's road.

The best road to progress is freedom's road.

The US Airforce assures me that UFO's pose no threat to National Security.

The US Airforce assures me that UFO's pose no threat to National Security.

I would rather be accused of breaking precedents than breaking promises.

I would rather be accused of breaking precedents than breaking promises.

Democracy is never a final achievement. It is a call to an untiring effort.

Democracy is never a final achievement. It is a call to an untiring effort.

We need men who can dream of things that never were.

We need men who can dream of things that never were.

Effort and courage are not enough without purpose and direction.

Effort and courage are not enough without purpose and direction.

Hold fast to the best of the past and move fast to the best of the future.

Hold fast to the best of the past and move fast to the best of the future.

Justice delayed is democracy denied.

Justice delayed is democracy denied.

Don't ask 'Why, ask instead, 'Why not.

Don't ask 'Why, ask instead, 'Why not.

If I don't have a woman every three days or so I get a terrible headache.

If I don't have a woman every three days or so I get a terrible headache.

Those who dare to fail miserably can achieve greatly.

Those who dare to fail miserably can achieve greatly.

Let us never negotiate out of fear. But let us never fear to negotiate.

Let us never negotiate out of fear. But let us never fear to negotiate.

There can be no progress if people have no faith in tomorrow.

There can be no progress if people have no faith in tomorrow.

Those who foolishly sought power by riding the back of the tiger ended up inside

Those who foolishly sought power by riding the back of the tiger ended up inside

The unity of freedom has never relied on uniformity of opinion.

The unity of freedom has never relied on uniformity of opinion.

The ignorance of one voter in a democracy impairs the security of all.

The ignorance of one voter in a democracy impairs the security of all.