"The sum of yesterdayes conferences were an examination of the Principles of Ptolomy and Copernicus, and which of their opinions is the more probable and rational; that, which affirmeth the sub­stance of the Cœlestial bodies to be ingenerable, incorruptible, un­alterable, impassible, and in a word, exempt from all kind of change, save that of local, and therefore to be a fifth essence, quite different from this of our Elementary bodies, which are generable, corrup­tible, alterable, &c. or else the other, which taking away such deformity from the parts of the World, holdeth the Earth to en­joy the same perfections as the other integral bodies of the universe; and esteemeth it a moveable and erratick Globe, no lesse than the Moon, Jupiter, Venus, or any other Planet."