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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
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.