In mathematics, the simplest questions often lead to the deepest insights.
在数学中，最简单的问题往往能引出最深刻的见解。
因果关系的语言是科学的语言。
A man's errors are his portals of discovery.
Every life is in many days, day after day. We walk through ourselves, meeting robbers, ghosts, giants, old men, young men, wives, widows, brothers-in-love, but always meeting ourselves.
身体表达的是言语无法表达的。
沉默不是某物的缺失，而是一切的存在。