I despise people who depend on these things [heroin and cocaine]. If you really want a mind-altering experience, look at a tree.

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

I can calculate the motion of heavenly bodies but not the madness of people.

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

People seldom do what they believe in. They do what is convenient, then repent.

It's funny how humans can wrap their mind around things and fit them into their version of reality.

Dignity does not consist in possessing honours, but in deserving them.

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.

He who makes a beast of himself gets rid of the pain of being a man.

Private passions tire and exhaust themselves, public ones never.

No mortal can keep a secret. If the lips are silent, he chatters with his fingertips; betrayal oozes out of him at every pore.

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

It is a waste of energy to be angry with a man who behaves badly, just as it is to be angry with a car that won't go.

If you want to know what a man's like, take a good look at how he treats his inferiors, not his equals.

I like university professors, but you know, we shouldn't hold them up as the high-water mark of all human achievement. They're just a form of life, another form of life.

The great gift of human beings is that we have the power of empathy, we can all sense a mysterious connection to each other.

Sometimes our light goes out, but is blown again into instant flame by an encounter with another human being.

Outstanding people have one thing in common: an absolute sense of mission

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.

To live alone is the fate of all great souls.

Progress of mankind is progress of mind and intellect.