世界上冇绝对嘅对与错，只有适合唔适合。

Some people don't like change, but you need to embrace change if the alternative is disaster.

The power of the state should be used to protect the rights of the individual, not to suppress them.

数学不知道种族或地理边界；对于数学来说，文化世界是一个国家。

成就伟大事业的唯一途径是热爱你所做的事。