Democracy is not so much a form of government as a set of principles.
民主与其说是一种政府形式，不如说是一套原则。
Success is not about being the best, it's about being consistent in delivering quality and value to your customers.
数学的研究是所有智力和精神发展的不可或缺的基础。
自由是每个人做他想做的事情的自然能力，除非受到暴力或法律的禁止。