无论做任何事情，总逃不过“持之以恒”四个字，如果三天打鱼两天晒网，即使再聪明、再有天赋，也不会有什么成就。

Freedom is not merely the opportunity to do as one pleases; neither is it merely the opportunity to choose between set alternatives. Freedom is, first of all, the chance to formulate the available choices, to argue over them—and then, the opportunity to choose.

对自己温柔点，你已经在尽力了。

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

“唯一真正属于你的是你的时间。”

表达了对事物归属的豁达态度。