Authors:

That man alone loves himself rightly who procures the greatest possible good to himself through the whole of his existence and so pursues pleasure as not to give for it more than it is worth.

Benjamin Franklin, William-Temple Franklin (1818). “Memoirs of the Life and Writings of (the Same), Continued to the Time of His Death by William Temple Franklin. - London, H. Colburn 1818”, p.222
That man alone loves himself rightly who procures the greatest possible good to himself through the whole of his existence and so pursues pleasure as not to give for it more than it is worth.