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

We are all in the gutter, but some of us are looking at the stars.

成功排在努力前面的唯一地方就是在字典里。

Mathematics is not a spectator sport; to understand it, one must engage with it actively.