Keep all your things visible in a hotel room， not in drawers， and all gathered into one spot. That way you’ll never leave anything behind. If you need to have something like a charger off to the side， place a couple of other large items next to it， because you are less likely to leave 3 items behind than just one.

The great challenge of modern politics is to reconcile the demands of identity with the requirements of liberal democracy.

人类能够达到的最高活动是为了理解而学习，因为理解就是自由。

书籍是最好的老师。

Mathematics is the poetry of logical ideas.

常想到会悔恨终生，就不能不尽孝心；常想到度日的艰难，就不得不节约费用；常想到人的生命脆弱，就不得不珍惜心神；常想到世态人情，就不得不立志奋发；常想到法网恢恢，疏而不漏，就不能让自己胡作非为；常想到生命易失，就不得不忍气耐性。

我们的投资有三个篮子：投，不投，不懂。