The best way to understand a program is to try to change it.

I'm not afraid to speak my mind.

Success is not final, failure is not fatal: It is the courage to continue that counts.

我总是相信，只要我尽力了，结果自然会随之而来。

The best stories are those that make us see ourselves in others.

Never say never.

心理学家必须避免一切形而上的假设。