The deep, personal material of the latter half of your life is your children. You can write about your parents when they're gone, but your children are still going to be here, and you're going to want them to come and visit you in the nursing home.

我们是秘密的守护者。

出自《海国图志序》。学习外国的长处用来征服外国。

事实是，我不知道我相信什么。我还在努力弄清楚。

"The value of a man should be seen in what he gives and not in what he is able to receive."

Science is not a race; it’s a journey of patience and precision.