The JE Blog cites a great statement by Edwards on happiness. Part of it:
"The great enquiry of the world in general in all ages of it, is after happiness. It was a great enquiry among the wise men of the world wherein men's happiness consists and a thing that they were exceedingly at a loss, though it be a matter that so universally and so highly concerns mankind. Yet there is scarce anything that the world is more deceived about. . . ."