And when with excellent Microscopes I discern in otherwise invisible Objects the Inimitable Subtlety of Nature's Curious Workmanship; And when, in a word, by the help of Anatomicall Knives, and the light of Chymicall Furnaces, I study the Book of Nature, and consult the Glosses of Aristotle, Epicurus, Paracelsus, Harvey, Helmont, and other learn'd Expositors of that instructive Volumne; I find my self oftentimes reduc'd to exclaim with the Psalmist, How manifold are thy works, O Lord? In wisdom hast thou made them all.

As the moon, though darkened with spots, gives us a much greater light than the stars that sewn all-luminous, so do the Scriptures afford more light than the brightest human authors. In them the ignorant may learn all requisite knowledge, and the most knowing may learn to discern their ignorance.

Darkness, that here surrounds our purblind understanding, will vanish at the dawning of eternal day.

I am not ambitious to appear a man of letters: I could be content the world should think I had scarce looked upon any other book than that of nature.

Our Saviour would love at no less rate than death; and from the supereminent height of glory, stooped and debased Himself to the sufferance of the extremest of indignities, and sunk himself to the bottom of abjectness, to exalt our condition to the contrary extreme.

It is my intent to beget a good understanding between the chymists and the mechanical philosophers who have hitherto been too little acquainted with one another's learning.

He whose faith never doubted, may justly doubt of his faith.