And with it oft inoculated
(At which friend Jenner’ll be elated)
Flies, fleas, and gnats, with cow-pock matter,
And not one soul took small-pox a’ter!—
Could take a microscopic mite,
Invisible to naked sight;
Ad infinitum, could divide it,
For times unnumber’d have I tried it.
With optic glass, of great utility,
Could make the essence of nihility