The object of knowledge is what exists and its function to know about reality.

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.

Some thoughts are too angry to sleep. They lie awake all night and become obsessions.

And how can there be a final revolution? There is no final one. The number of revolutions is infinite.

If you thought better of me, you would not be so surprised

Know how to travel from your town to a nearby town without a car, either by bus or by rail.

It's extraordinary how inventive one can be with ethanol right now.

A kid asked me for advise about getting into entertainment? I said you better know how to be happy being broke!

We must love, as looking one day to hate.

At that moment, she cannot think of a more reckless, irrational thing than choosing to become a parent.

At the end of the day, every media entity is in the business of selling soap. They're not afraid of being popular.

The beauty of artifacts is in how they reassure us we’re not the first to die.