质量从来不是偶然的；它始终是智慧努力的结果。

As to the gods, I do not know whether they exist or not, nor what they are like in form; for there are many things that hinder sure knowledge, the obscurity of the matter and the shortness of human life.

模形式的算术是理解数论更深奥谜团的关键。

我对制作美丽的物品不感兴趣，我对制作有意义的系统感兴趣。