永远不要让成功冲昏头脑，也不要让失败打击内心。
Never let success get to your head, and never let failure get to your heart.
有时候你必须和你爱的人分开，但这并不会让你爱他们少一点。有时候你会更爱他们。
In business, if you’re not moving forward, you’re falling behind.
Mathematics is the poetry of logical ideas.
You can't let your failures define you. You have to let your failures teach you.