最幸福的人是那些发现幸福是一种选择而不是环境的结果的人。

Never underestimate the power of a well-designed experiment.

The key to solving complex problems is to break them down into smaller, more manageable parts.

自由意味着责任，正因为如此，多数人都惧怕自由。

真正快乐的唯一途径是接受自己，并不断成长和进步。

I don't sing for the critics. I sing for the fans.