In the midst of difficult times， it is our response that defines us， not the circumstances.
The key to successful investing is to control what you can control: costs, taxes, and behavior.
译文：今生我虽然不能身为男子，加入他们的行列，但我的心却比男子还要刚烈。
The basis of shame is not some personal mistake of ours, but the ignominy, the humiliation we feel that we must be what others want us to be.
对付敌人的最好武器就是另一个敌人。
Mathematics is not just a collection of abstract theories, but a language that describes the universe.