The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.
If we are a good team and know what we want to do, one of us can defeat ten of them.
【译文】将知识默记在心,学习时,不感到满足,教人时,不感到倦怠,这三方面我做到了哪些呢?