Who makes us ignorant? We ourselves. We put our hands over our eyes and weep that it is dark.

Every man takes the limits of his own field of vision for the limits of the world.

After your death you will be what you were before your birth.

A wise man can play the part of a clown, but a clown can't play the part of a wise man.

That man is the noblest creature may also be inferred from the fact that no other creature has yet contested this claim.

Treat people as if they were what they ought to be, and you help them to become what they are capable of being.

On the highest throne in the world, we still sit only on our own bottom.

The whole universe is contained within a single human being – you.

If you talk to a man in a language he understands, that goes to his head. If you talk to him in his language, that goes to his heart.

If money help a man to do good to others, it is of some value; but if not, it is simply a mass of evil, and the sooner it is got rid of, the better.

Take away paradox from the thinker and you have a professor.

Of mankind we may say in general they are fickle, hypocritical, and greedy of gain.

Humanity is acquiring all the right technology for all the wrong reasons.

There is no come back to caves. We are too many.

People demand freedom of speech as a compensation for the freedom of thought which they seldom use.

If you can't say something good about someone, sit right here by me.

It is no measure of health to be well adjusted to a profoundly sick society.

Family not only need to consist of merely those whom we share blood, but also for those whom we'd give blood.

Americans of our own time - minority and majority Americans alike - need the continued guidance that the Voting Rights Act provides. We have come a long way, but more needs to be done.

One of the greatest diseases is to be nobody to anybody.

There are four million different kinds of animals and plants in the world. That’s four million solutions to the problem of staying alive.