The origin of his philosophy was the conviction with which he was impressed of the insufficiency of that of the ancients, or rather of that of Aristotle, which reigned with almost undisputed sway throughout Europe. He reverenced antiquity for its great works, its great men; but not because of its ancientness; he deemed its decrees worthy of reverential consideration, but did not think they admitted of no appeal; he was not a bigot to antiquity or a contemner of modern times. He happily combated that undue and blind submission to the authority of ancient times for the mere reason that they are older than our own, alleging truly that “ANTIQUITAS SECULI JUVENTUS MUNDI, that our times are the ancient times, when the world is ancient, and not those which we account ancient, ordine retrogrado, by a computation backward from ourselves.”30
Throwing off, then, all allegiance to antiquity, he appealed directly from Aristotle to nature, from reasoning to experiment.
But let us invoke the testimony of an eminent philosopher, Sir John Herschel:—