For it is obvious to everybody, I think, that this study [of astronomy] compels the soul to look upward and leads it away from things here to higher things.

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.

The book is man's best invention so far.

When you risk nothing, you risk never truly living!

It's not a question of who will allow me to do it, it's a question of who will stop me.

All the time we wondered and wondered, who is this person coming/growing/turning/floating/swimming deep, deep inside.

In Zen we classify ten thousand different states of mind, different ways of seeing life. There is something beyond the ten thousand states of mind that we call nirvana.

I didn't push any of my kids into golf, and they played golf because they wanted to.

I never knew a writer's wife who wasn't beautiful.

You can't be a revolutionary, you can't want to change society if you don't love people, there's no point in it.

Ebony and ivory live together in perfect harmony, side by side on my keyboard piano, oh Lord, why don't we?

Our actions will be at measured pace given the current market turmoil.