You want to be extra rigorous about making the best possible thing you can. Find everything that's wrong with it and fix it. Seek negative feedback, particularly from friends.

系统的稳定性由其根的行为决定。

I’m interested in the idea of history as a kind of fiction.

自身无灾无病，感受不到快乐，等到生病卧床，才了解到无灾无病的快乐；家中平安无事，感受不到快乐，等到祸事临头，才体会到平安无事的快乐。