思想是行动的仆人，而行动是生存的仆人。

"The fundamental fact about all of us is that we're alive for a while but will die before long. This fact is the real root cause of all our anger and pain."

"The key to good research is not just the method, but the clarity of the question and the quality of the data."

在这个世界上，有些东西用石头是刻不来的。在我们的心中有块地方是关不住的，那块地方称为自由。