色多多在线观看播放-色多多在线观看高清免费-色多多在线观看视频-色多多在线看-欧美aaaaa性bbbbb小妇-欧美aaaav免费大片

The best way to learn mathematics is to do mathematics.

The pursuit of mathematical truth requires both intuition and rigor.

一個人對于死亡的恐懼程度與其財富的增長程度成正比。

Passion is the fuel that drives innovation and success.

你必須對你所做的事情充滿熱情，否則你永遠不會成功。

The only way to tell the truth is to speak with kindness. Only the words of a loving man can be heard.

真相很少是純粹的，也從不簡單。

技術的問題是我們生活的真理與非真理的星座問題。