The more one loves, the more one suffers, but also the more one lives.

The most important thing in mathematics is to have a good intuition.

法律规则不仅仅是威胁支持的命令。

The most dangerous poison is the feeling of achievement. The antidote is to think like a beginner every morning.

人在学习上，如果不每天进步就会每天退步。