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In the following books I have endeavoured, wherever the author himself is in a vulgar error, as far as my knowledge extends, to give in the margin, either the demonstrated discoveries, or more probable opinions, of the present natural philosophy;—so that, independently of the entertainingness of the thoughts and tales, and the force and splendor of Sir Thomas Browne's diction and manner, you may at once learn from him the history of human fancies and superstitions, both when he detects them, and when he himself falls into them,—and from my notes, the real truth of things, or, at least, the highest degree of probability, at which human research has hitherto arrived.