The pursuit of knowledge is a journey without end, and each discovery is a step into the unknown.
数学研究是一场没有终点的旅程。
坏人活着是为了吃与喝，而好人却是为了活着才吃与喝。
The magic number 150 suggests that the size of our social networks is limited by the size of our brains.
I write to find out what I think.
The world is before you, and you need not take it or leave it as it was when you came in.