The brain caps off its second and last growth spurt in your 20s as it rewires itself for adulthood.

Sometimes, it's not that the other person doesn't care about you, but that you care too much about them.

I don't think I'm a very good liar. I think I'm a very bad liar.

我希望我的书是一面镜子，而不是一扇窗户。

我并不是一回到自行车上就赢了。有很多起伏，有好日子也有坏日子。

Persistence is key in mathematical research; many great results come from looking at the same problem from different angles over and over again.