The most valuable resource we have isn't in the ground - it's the people who show up every day to do the work.
挑战在于让不可见的东西变得可见。
数学是一门活生生的学科,随着新思想的出现而不断发展。
The past is a foreign country; they do things differently there.
好的设计是隐形的;只有当它不好时你才会注意到。
"I don’t want to be known just as a tennis player. I want to be known as a good person."