Psychology must be free from all metaphysical entanglements.

I wanted to discover myself, the reason I was born, and the meaning of life.

The greatest mistake you can make in life is to be continually fearing you will make one.

The most successful modern states are those that have been able to harness the power of the market while maintaining a strong state that can provide public goods and regulate private activity.

To understand the mind, study its operations in real life.

伦理道德的基础是理解爱和争斗在个体和社会中的作用。

要养活世界，我们必须先了解它。

Quality is free. It's not a gift, but it's free. What costs money are the unquality things -- all the actions that involve not doing jobs right the first time.

Great things in business are never done by one person. They're done by a team of people.

Intelligent aquaculture is the future development direction of fisheries, whoever masters it first gains the advantage.

What I am is good enough, if I would only be it openly.