形式系统的发展彻底改变了我们对数学的理解。

The rules of morality are not the conclusion of our reason.

The best architecture comes from a synthesis of all the elements that separately comprise a building.

Leadership means making tough decisions today that will benefit future generations.

我越是思考语言，就越惊讶于人们竟然能够相互理解。

世界所有前进的动力都归功于不安分的人。快乐的人不可避免地把自己限制在古老的界限内。

切割金属艺术的第一步是找到一个具备必要技能和经验的人来做这项工作。