數(shù)學(xué)的目標(biāo)不是解決問題，而是理解問題。
The goal of mathematics is not to solve problems, but to understand them.
許多人害怕改變，但是如果把它視作天經(jīng)地義的事，也就釋然了。
In the end, we are all just stories. What matters is the story we choose to tell.
Stay focused on what you can control, and don’t waste energy on what you can’t.