Those who have knowledge are more confident than those who have no knowledge, and they are more confident after they have learned than before.

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.

A man in love can do extraordinary things, I don’t care if you’re an angel, you’re my angel, and I won’t let you go.

There is nothing to lose in life. Be courageous!

A lot of why I do something is just the novelty of the experience.

Is man an ape or an angel? Now I am on the side of the angels.

People are tired of just watching their TV set passively. They are playing interactive games today. They are on the Internet interacting. They want to be part of their TV set.

They say my public persona don't have enough appeal, I take a lesson from Kanye and give 'em something real.

We cannot but pity the boy who has never fired a gun; he is no more humane, while his education has been sadly neglected.

That which is the foundation of all our hopes and of all our fears; all our hopes and fears which are of any consideration; I mean a Future Life.

Being pro-life is an essential part of being a writer.

I try to show the public that chemistry, biology, physics, astrophysics is life. It is not some separate subject that you have to be pulled into a corner to be taught about.