把这一句，留给此刻的你

Self-disciplined begins with the mastery of your thoughts. If you don't control what you think, you can't control what you do. Simply, self-discipline enables you to think first and act afterward.

自律始于控制你的思想。如果你不能控制你的想法，你就不能控制你的行为。简单地说，自律让你先思考后行动。

— Napoleon Hill 拿破仑·希尔