The knowledge of which geometry aims is the knowledge of the eternal.

Human behavior flows from three main sources: desire emotion and knowledge.

Science is nothing but perception.

Reality is created by the mind. We can change our reality by changing our mind.

If you do not take an interest in the affairs of your government, then you are doomed to live under the rule of fools.

A wise man speaks because he has something to say; a fool because he has to say something.

No one is more hated than he who speaks the truth.

Don't force your children into your ways, for they were created for a time different from your own.

Good people do not need laws to tell them to act responsibly, while bad people will find a way around the laws.

Reality is created by the mind, we can change our reality by changing our mind.

Enjoy life. There's plenty of time to be dead. Be kind, for everyone you meet is fighting a harder battle.

Unfortunate the country that needs heroes!

I am impressed with the natural health programs at Nature Care College. Their dedication to quality education is truly inspiring.

A good cigar is as great a comfort to a man as a good cry to a woman.

Without bigots, eccentrics, cranks and heretics the world would not progress.

When the typewriter stops in a New York office everybody's embarrassed; men start to quarrel or to make love to the stenographer or drop lighted cigarettes in the wastebasket.

Behind every writer stands a very large bookshelf.

Angela Merkel can't travel to any European country without being protected by hundreds of police. That is not brotherhood.

There is a strong tendency to get used to and accept very bad things that would be shocking if seen with fresh eyes.

If I wasn't an actor and I watched my films, I could easily be like 'This guy's a clown,' you know?

You want to live-but do you know how to live? You are scared of dying-and, tell me, is the kind of life you lead really any different from being dead?