The most valuable resource we have isn't in the ground - it's the people who show up every day to do the work.

数学语言是普遍的，超越了文化和语言的障碍。

"I’m a very calm person. That helps me in tennis and in life."

The universe is under no obligation to make sense to you.

想法到处都是，但知识非常稀缺。