我不写日记，我记录生活。

Your work is going to fill a large part of your life, and the only way to be truly satisfied is to do what you believe is great work.

数学的力量在于它的普遍性和超越文化界限的能力。

如果你买进时股价过高，那么就算是买了全世界最好的公司的股票，也会变成最糟糕的投资。同理，如果你低价买进一只股票，哪怕公司基本面平平，也可能会成为你投资组合中的明星。

儿童并非弱者，他们有足够的智慧。

The future of life on Earth depends on our ability to take action. Many individuals are doing what they can, but real success can only come if there is a change in our societies and our economics and in our politics.

We suffer, therefore we think.