The purpose of a habit is to remove that action from self-negotiation. You no longer expend energy deciding whether to do it. You just do it. Good habits can range from telling the truth， to flossing

"A story is a letter that the author writes to himself, to tell himself things that he would be unable to discover otherwise."

我们写的每一个方程都是宇宙的一首诗，是存在伟大史诗中的一节。

最伟大的胜利来自最艰难的战斗。