So man, who here seems principal alone, Perhaps acts second to some sphere unknown Touches some wheel, or verges to some goal; 'Tis but a part we see, and not a whole.
Alexander Pope (1806). “The works of Alexander Pope. Containing the principal notes of drs. Warburton and Warton [&c.]. To which are added, some original letters, with additional observations, and memoirs, by W.L. Bowles”, p.20