Resilience is not a trait that people either have or do not have. It involves behaviors, thoughts, and actions that can be learned and developed in anyone.

一个好的数学问题的定义是它产生的数学，而不是问题本身。

经验不过是人们给自己的错误取的名字。

The teacher who is indeed wise does not bid you to enter the house of his wisdom but rather leads you to the threshold of your own mind.

我们的选择，而非能力，更能展现我们真正的自我。