"In the end, we will remember not the words of our enemies, but the silence of our friends."

Life is like a mirror, if you frown at it, it frowns back; if you smile, it returns the greeting.

计算的力量不仅在于解决问题，还在于其解决问题的优雅和效率。

衡量智力的标准是改变的能力。