Mathematics is like draughts in being suitable for the young, not too difficult, amusing, and without peril to the state.

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.

We all have our alloted portions of black and white paint

The political problem of mankind is to combine three things: economic efficiency, social justice and individual liberty.

Ignorance has no beginning, but it has an end. There is a beginning but no end to knowledge.

We need to reengineer companies to focus on figuring out who the customer is, what's the market and what kind of product you should build.

We women in Somalia are trying to be leaders in our community.

Everybody is a True Believer. Everybody has a little nugget they're convinced of that is the opposite of the nugget on the other side. And they're convinced it's fact.

I can't do this to you,' he said, drawing back. Emily put her hand on his and pulled the gun to her temple. 'Then do it for me,' she said.

No noble thing can be done without risks.

I've begun my career working with older heroes. The people I had been fan of, I now work with them. It's a great opportunity for me.

Sudden glory is the passion which maketh those grimaces called laughter.