Mental processes are tools for living, and their worth is in their use.

You can do anything you set your mind to, man.

We usually see only the things we are looking for- so much so that we sometimes see them where they are not.

你有敌人?很好。这说明在你的生命中的某个时刻,你曾经呐喊过。

The process of solving a mathematical problem is often more important than the solution itself.

风险管理不是规避风险，而是理解并减轻风险。