牛、猪、战争和巫术并非任意的文化偏好，而是对物质条件的适应。

The concept of law is a complex one, and it is not easy to define.

To write a good love letter， you ought to begin without knowing what you mean to say， and to finish without knowing what you have written.

I paint people not because of what they are like, not exactly in spite of what they are like, but how they happen to be.

The best way to find out if you can trust somebody is to trust them.

设计的过程是一个发现的过程。