A wise man is superior to any insults which can be put upon him, and the best reply to unseemly behavior is patience and moderation.
发愤研究学问,常常忘记吃饭,一旦有所收获便又高兴地忘记了忧愁,连自己的渐趋衰老也没有感觉到。
I don't take anything for granted. I work for everything I achieve.