yet that mought be by demonstration, and not in fact; and if by travel, it requireth the voyage but of half the earth.

But to circle the earth, as the heavenly bodies do, was not done nor enterprised till these later times: and therefore these times may justly bear in their word...

plus ultra in precedence of the ancient non ultra....

And this proficience in navigation and discoveries may plant also an expectation of the further proficience and augmentation of all sciences, because it may seem that they are ordained by God to be coevals, that is, to meet in one age.

For so the prophet Daniel, speaking of the latter times foretelleth, Plurimi pertransibunt, et multiplex erit scientia: as if the openness and through-passage of the world and the increase of knowledge were appointed to be in the same ages; as we see it is already performed in great part: the learning of these later times not much giving place to the former two periods or returns of learning, the one of the Grecians, the other of the Romans." [Footnote: Advancement of Learning, ii.