The past is never dead. It's not even past.

科学家不是给出正确答案的人，而是提出正确问题的人。

"Tennis is a sport where you have to be strong mentally and physically, but the mental part is even more important."

The individual can understand his own experience and gauge his own fate only by locating himself within his period, that he can know his own chances in life only by becoming aware of those of all individuals in his circumstances.