逻辑学研究不仅仅是关于形式系统，更是关于推理本身的本质。

The most beautiful thing we can experience is the mysterious. It is the source of all true art and science.

A story is not a lie, but neither is it the truth.

"A great book is not one that is read, but one that reads you, revealing the depths of your own soul."

Thirty five is a very attractive age; London society is full of women who have of their own free choice remained thirty-five for years.

在计算机周围，很难找到正确的时间单位来衡量进度。一些大教堂花了一个世纪完成。您能想象一个程序需要花费这么长时间吗？