Life is not about waiting for the storms to pass, it's about learning how to dance in the rain.

解释：不可以不知道活着的乐趣，也不可以不知道虚度光阴的担忧。

To All, only love is the best teacher, it is far better than the responsibility.

Every man is born as many men and dies as a single one.

习惯的强度与强化量成正比。