We have no more right to consume happiness without producing it than to consume wealth without producing it. – George Bernard Shaw, Candida, 1898

If the day and night be such that you greet them with joy, and life emits a fragrance like flowers and sweet-scented herbs, is more elastic, more immortal — that is your success. All nature is your congratulation, and you have cause momentarily to bless yourself. – Henry David Thoreau, Walden