The deepest theorems often have the simplest proofs - if you look at them from the right angle.
【译文】 孔子说:“我曾整天不吃、整夜不睡,来思考。结果没好处,还不如学习。”
The greatest power is not in controlling others, but in understanding them.
你不会一觉醒来就变成蝴蝶——成长是一个过程。