在数学中,你并不理解事物。你只是习惯了它们。
In mathematics, you don't understand things. You just get used to them.
So much to do, so little done, such things to be.
Every artwork is an experiment.
世间的事情虽然纷繁复杂,但推究其根本,往往失败于容易而成功于艰难。