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
The only way to do great work is to love what you do.
人都知道说话可以显示自己的优点，但不知说话谨慎可以培养德性；人都知道饮食可以有益生命，却不知节制饮食可以养生。