无论你是谁，无论你做过什么，无论你来自哪里，你总能改变，成为更好的自己。
No matter who you are, no matter what you did, no matter where you've come from, you can always change, become a better version of yourself.
The principle of asceticism never was， nor ever can be， consistently pursued by any living creature.
我不写日记，我记录生活。
数学的本质不是把简单的事情复杂化，而是把复杂的事情简单化。
幸福不是现成品，它来自你自己的行动。