VI

Narrabo igitur primo opera artis et naturae miranda…. ut videatur quod omnis magica potestas sit inferior his operibus et indigna. —ROGER BACON.

I do not endeavor either by triumphs of confutation, or pleadings of antiquity, or assumption of authority, or even, by the veil of obscurity, to invest these inventions of mine with any majesty…. I have not sought nor do I seek either to force or ensnare men's judgments, but I lead them to things themselves and the concordances of things, that they may see for themselves what they have, what they can dispute, what they can add and contribute to the common stock.—FRANCIS BACON (Preface to the Great Instauration).