Surround yourself with people who challenge you, not just agree with you.
We are all bound by the social contract to obey the laws， but we also have the right to participate in making those laws.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
"The only real equality is in the cemetery."
The way we communicate with others and with ourselves ultimately determines the quality of our lives.