We Germans will never get rid of Hitler. He is like a birthmark on our face.

Small changes can have big effects when they help people break out of the poverty trap.

The true poet is like a prince; his words are laws.

The only way to do great work is to love what you do.

你可以非常爱一个人……但你永远无法像想念他们那样爱他们。

心理学必须在理论和实际生活之间架起桥梁。

为了将关心转变为行动，我们需要发现问题，找到解决方案以及评估后果。但是世界的复杂性使得这三步都难于做到。

The future belongs to those who can adapt and evolve.

Acting deals with very delicate emotions. It is not putting up a mask. Each time an actor acts he does not hide; he exposes himself.