When I look at the world I'm pessimistic, but when I look at people I am optimistic.

——李志林

反应倾向的强度取决于所接受的强化量。

I want to liberate people to feel like they don't have to be one thing.

读书最要紧的就是勤学好问，做人最要紧的就是实实在在而持之以恒。