科学的进步不仅通过知识的积累来衡量,还通过提出新问题的能力来衡量。
我不让恐惧阻止我,我让它推动我。
The world is very, very beautiful if you look at it, but most people don't look very much.
I am now physically incapable of doing any of the things I used to enjoy, but I don’t miss them.