沉默如此深沉，以至于它在咆哮。

The true teacher defends his pupils against his own personal influence. He inspires self-distrust. He guides their eyes from himself to the spirit that quickens him. He will have no disciple.

在商业中，你要么在成长，要么在消亡。

无限的概念不仅仅是一个数学抽象，而是一个物理现实。