The painter must give a completely accurate account of their experience of looking at the subject.

你越深入数学，就越意识到还有多少未知。

我每天早出晚归，日复一日，年复一年。我用了17年零114天才一夜成名。

History is not the past. It is the method we have evolved of organizing our ignorance of the past.

生存还是毁灭，这是个问题。