数学的进步是通过它能解决的问题数量来衡量的。
The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.
我们不是在经营服务人的咖啡生意,而是在经营提供咖啡的人的事业。
The most sublime act is to set another before you.
成功不是终点,失败也非致命,继续前进的勇气才是关键。
The most dangerous thing in the world is to try to leap a chasm in two jumps.