数学思想的美丽之处在于它可以跨越文化和时间被分享和理解。
The computer is the most remarkable tool that we've ever come up with. It's the equivalent of a bicycle for our minds.
Your  biggest  competior is yourself.
The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.
所有生而为人者都需要教育,因为他们注定要成为真正的人,而非野兽、愚钝的动物或木头。