The sum of the whole is plainly this: The nature of man considered in his single capacity and with respect only to the present world is adapted and leads him to attain the greatest happiness he can for himself in the present world.
Love of our neighbour then has just the same respect to is no more distant...
On a soap happiness never lasts for very long!
Everywhere in the world music enhances a hall with one exception: Carnegie Hall enhances the music.