Read it through once

Art also says, as did the voice from the wilderness, inadequately translated, “REPENT ye, for the kingdom of heaven is at hand”. (Metanoei^te h’/ggike ga\r h‘ Basilei/a tw^n ou’ranw^n.) Rather, be transformed, or, as De Quincey puts it, “Wheel into a new centre your spiritual system; GEOCENTRIC has that system been up to this hour--that is, having earth and the earthly for its starting-point; henceforward make it HELIOCENTRIC (that is, with the sun, or the heavenly, for its principle of motion).”