"God, creating the universe, neither made it perfectly like Himself, nor perfectly unlike, for He, being One, has made…"

"For this matter, every where filling the space closed in by the curvature of heaven, is continually pushed, by its ow…"

"The chemists furnish us with a pretty representation of this, by taking pulverized black enamel, liquor of tartar, br…"

"Almost all philosophers, ancient and modern, fearing an eternal confusion of the elements, were they all endowed with…"

"I say much more; that fire, being of so subtile a nature, that it can hardly be called a body, is consequently almost…"

"Now casting a look on all that moves, I see nothing that ascends by its own proper motion. Water, indeed, rises in a …"

"Thus, the motion of the orbits of the planets from east to west, having its cause in a higher heaven, is called by al…"

"Having thus vanished levity, and its upward motion, from all the boundaries of nature, we aver anew, that the element…"

"[N]othing gains weight but by the addition of matter, nor loses it but by its subtraction—so inseparably are matter a…"

"[T]wo ingots one... of gold, and the other of iron, which appear by the balance to be equal, are nevertheless not so—…"