The true challenge in mathematics is not solving problems, but asking the right questions.
数学中真正的挑战不是解决问题，而是提出正确的问题。
Every person you meet knows an amazing lot about something you know virtually nothing about. Your job is to discover what it is， and it won’t be obvious.
自然为万物安排了合适的时间。
"The past is a puzzle, and the historian is the person who tries to put the pieces together."
"一个好的摄影师知道何时打破规则。"
Your past does not equal your future.