La liberté commence où l'ignorance finit.
The goal of education is not to increase the amount of knowledge but to create the possibilities for a child to invent and discover, to create men who are capable of doing new things.
人生短暂如白马过隙，若不及时享受生活，年老时只能空自悲伤。
真相往往难以表述，有时需要虚构来使其看似可信。
数学是模式的科学，我们研究它们以理解事物如何运作。