As the grand discordant harmony of the celestial bodies may be explained by the simple principles of gravity and impulse, so also in that more wonderful and complicated microcosm, the heart of man, all the phenomena of morals are perhaps resolvable into one single principle, the pursuit of apparent good; for although customs universally vary, yet man in all climates and countries is essentially the same.
Remarks on the Talents of Lord Byron and the Tendencies of Don Juan (ed. 1823)