在科学中，我们试图解释我们不理解的事物。在数学中，我们试图理解我们无法解释的事物。
In science, we try to explain what we don't understand. In mathematics, we try to understand what we can't explain.
社会系统是个人之间以及群体之间关系的系统。
I'm not afraid to fall, because I know I'll get back up.
抽象不仅仅是隐藏细节；它是关于创建问题域的清晰简洁的模型。
"The past is never dead. It's not even past."
改革需要勇气，但更需要智慧。