"The writer is a man who is always trying to create something new, something original, something that has never been seen before."

晏子春秋

The deepest insights in mathematics often come from the most abstract theories.

互联网最重要的一点是它是一个网络的网络。

释义：学问不论年长年幼，应该以某一方面擅长的人为师。学无先后，达者为师，体现了学问应该是一个开放的、无大小之分的领域，重在能力而非地位或者身份。