Every time I look up at the starry sky, I realize that in this trivial mathematical universe, we may undertake the heaviest mission: it is not the universe that gives meaning to life, on the contrary, life gives meaning to the universe.

Changing habits requires at least two sprints, one is to abolish old habits, and the other is to form new habits to make up for the vacancy. As long as new habits are unstable, the negative benefits of old habits will not be replaced.