In the process of telling the truth about what you feel or what you see, each of us has to get in touch with himself or herself in a really deep, serious way.
Experienced happiness refers to your feelings, to how happy you are as you live your life. In contrast, the satisfaction of the remembering self refers to your feelings when you think about your life.
Perhaps we too seldom reflect how much the life of Nature is one with the life of man, how unimportant or indeed merely seeming, the difference between them.