从道不从君，从义不从父。
出自先秦《荀子·子道》。服从真理而不服从君主，服从道义而不服从父命。说明在真理、道义与君令、父命相矛盾时要服从前者，意在强调唯“道”、“义”是从的理念。
当我停止相信自己能赢的那一天，就是我停止打网球的那一天。
The goal of education is not to increase the amount of knowledge but to create the possibilities for a child to invent and discover, to create men who are capable of doing new things.
The moral feeling of human nature is an obligation， and we must endow the soul with the sense of beauty.
奋斗是真实的，但回报也是。