"In the end, we will remember not the words of our enemies, but the silence of our friends."

I'm a perfectionist. I'm pretty much insatiable. I feel there's so many things I can improve on.

"To be a human being means to possess a sense of guilt."

The weight of evidence for an extraordinary claim must be proportioned to its strangeness.

幸福不是偶然发生的事情。它不是好运或随机机会的结果。它不是金钱可以买到或权力可以命令的东西。它不取决于你外部发生的事情，而取决于你内部发生的事情。