无纸化办公室仍然需要生产纸张的森林。
Paperless offices still need paper-producing forests.
The study of mathematics is like air or water to the development of science.
"The power of words is that they can change the world."
只有当我们认识到，被颂扬了几个世纪的理性是思想最顽固的敌人时，思考才开始。
我不需要理由去为自己骄傲。
"Every story has an end, but in life every end is just a new beginning."