His wisdom is again discernable, not only in that it moveth at all, and in its bare motion, but wonderful in contriving the line of its revolution; which is so prudently effected, that by a vicissitude in one body and light it sufficeth the whole earth, affording thereby a possible or pleasurable habitation in every part thereof; and this is the line Ecliptick; all which to effect by any other circle it had been impossible. For first, if we imagine the Sun to make his course out of the Ecliptick, and upon a line without any obliquity, let it be conceived within that Circle, that is either on the Æquator, or else on either side: (For if we should place it either in the Meridian or Colures, beside the subversion of its course from East to West, there would ensue the like incommodities.) Now if we conceive the sun to move between the obliquity of this Ecliptick in a line upon one side of the Æquator, then would the Sun be visible but unto one pole, that is the same which was nearest unto it. So that unto the one it would be perpetual day; unto the other perpetual night; the one would be oppressed with constant heat, the other with insufferable cold; and so the defect of alternation would utterly impugn the generation of all things; which naturally require a vicissitude of heat to their production, and no less to their increase and conservation. But if we conceive it to move in the Æquator; first unto a parallel sphere, or such as have the pole for their Zenith, it would have made neither perfect day nor night. For being in the Æquator it would intersect their Horizon, and be half above and half beneath it: or rather it would have made perpetual night to both; for though in regard of the rational Horizon, which bisecteth the Globe into equal parts, the Sun in the Æquator would intersect the Horizon: yet in respect of the sensible Horizon (which is defined by the eye) the Sun would be visible unto neither. For if as ocular witnesses report, and some also write, by reason of the convexity of the Earth, the eye of man under the Æquator cannot discover both the poles; neither would the eye under the poles discover the Sun in the Æquator. Thus would there nothing fructifie either near or under them: The Sun being Horizontal to the poles, and of no considerable altitude unto parts a reasonable distance from them. Again, unto a right sphere, or such as dwell under the Æquator, although it made a difference in day and night, yet would it not make any distinction of seasons: for unto them it would be constant Summer, it being alwaies vertical, and never deflecting from them: So had there been no fructification at all, and the Countries subjected would be as uninhabitable, as indeed antiquity conceived them.