The knowledge that you have emerged wiser and stronger from setbacks means that you are, ever after, secure in your ability to survive. You will never truly know yourself, or the strength of your relationships, until both have been tested by adversity. Such knowledge is a true gift, for all that it is painfully won, and it has been worth more than any qualification I ever earned.
我从未想成为别人，只想做我自己。
The power of mathematics is in its abstraction, allowing us to see patterns and connections that are not immediately obvious.