The notion of truth is not definable in any formal system that is strong enough to include arithmetic.
我的一生都在与恐惧和焦虑作斗争。
In the end, you’re measured not by how much you undertake but by what you finally accomplish.
谁若不能独立,谁就谈不上自由。
不要害怕犯错,害怕的是不学习。