数学是给不同事物赋予相同名称的艺术。
Mathematics is the art of giving the same name to different things.
创新不是目的,解决客户痛点才是创新的意义。
理性不在于正确,而在于信念与行动的一致性。
Make women rational creatures, and free citizens, and they will quickly become good wives; — that is, if men do not neglect the duties of husbands and fathers.