Separate the processes of creation from improving. You can’t write and edit， or sculpt and polish， or make and analyze at the same time. If you do， the editor stops the creator. While you invent， don’t select. While you sketch， don’t inspect. While you write the first draft， don’t reflect. At the start， the creator mind must be unleashed from judgement.
我时刻准备着学习，但是我不喜欢别人给我上课。
追求高效算法的核心是一项数学努力，它挑战了我们对复杂性和可计算性的理解。