If you feel lonely, it's because you're not alone with yourself enough.

The only way to achieve sustainable growth is to embrace change and challenge the status quo.

学习不以学识渊博为尊贵，贵在能够所学的为正道。

无思无虑，心境应当平静如水；不求冒进也不忘记，学业当如流水一般永无止境。

数学中发现的快乐是无与伦比的。