The method of psychology must be rigorously empirical.
心理学的方法必须严格经验化。
In the quest for a unified theory, we must embrace the unknown and be willing to question our most cherished beliefs.
I never doubted myself. I knew that I was going to be something.
The artist must be free, even from himself.
Understanding the real lives of the poor is the first step toward designing effective policies to help them.