I think that’s the single best piece of advice: constantly think about how you could be doing things better and questioning yourself.
Every mathematical problem has a solution; it's just a matter of finding the right perspective.
数学的本质不是使简单的事情复杂化,而是使复杂的事情简单化。
建筑不是关于风格,而是关于实质。
The aim of education is not to make men carpenters, but to make carpenters men.