The past is always a rebuke to the present.

Success is built on a foundation of relentless effort and unwavering belief.

人一生中主要的任务是诞生自己，成为他潜在的样子。他努力的最重要成果是他自己的个性。

The arithmetic of modular forms is a gateway to understanding higher-dimensional objects.

出自先秦《荀子·修身》。批评我而又批评得恰当的，他便是我的老师；肯定我而又实事求是的，他便是我的朋友；讨好奉承我的，他便是我的仇人。说明修身养性要有闻过则喜的雅量，要亲近正人君子而远离谄谀小人。这样，才会有利于自己道德的修炼进步。

Live as though you intend to live forever，and work as though your strength were limitless.