书籍是最安静、最恒久的朋友；它们是最易接近、最睿智的顾问，也是最耐心的老师。
"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."
We want to build technology that everybody loves using, and that affects everyone. We want to create beautiful, intuitive services and technologies that are so incredibly useful that people use them twice a day. Like they use a toothbrush. There aren’t that many things people use twice a day.
我的科学劳动给我带来了极大的满足，我深信不久之后整个世界都会承认这些劳动的成果。
现在数学家面临的最大问题可能是黎曼假设。
有时你可能会觉得自己不够好，但你必须记住你是上帝的孩子，你被爱着。