The only way to learn mathematics is to do mathematics.
It is absurd to say that we have a duty to be benefited.
我认为艺术是试图理解世界以及你在其中的位置。
做出伟大工作的唯一途径是热爱你所做的事。
History is not the past. It is the method we have evolved of organizing our ignorance of the past.