数学是给不同事物起相同名字的艺术。
Mathematics is the art of giving the same name to different things.
婚姻生活是否幸福,完全是个机会问题。
有耐心是弱者的优点,缺乏耐心是强者的弱点。
Writing is a way of giving voice to the voiceless.
The greatest threat to our planet is the belief that someone else will save it.
国家不是艺术品,而是一种必需。
引自孟德斯鸠,刘凯湘在《民法总论》中引用并阐释其意义
Life is ours to be spent, not to be saved.