The more you learn, the more you realize how little you know.
All thinking men are atheists.
最好的还在后头,生命的最后,是为了最初而存在的。
The best time to work on your career is when you're in your 20s.
The essence of mathematics lies in its freedom.
真正的自由不是做你想做的事,而是不做你不想做的事。