Page:A Collection of Several Philosophical Writings of Dr. Henry More.djvu/122

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80
An Antidote Against Atheism
Book II.

point of the Object unto one point answerable in the bottom of the Eye; to which purpose the Crystalline Humour is of great moment, and without which the sight would be very obscure and weak. Thirdly, the Tunica Uvea has a Musculous power, and can dilate and contract that round hole in it which is called the Pupil of the Eye, for the better moderating the transmission of light. Fourthly, the inside of the Uvea is black'd like the walls of a Tennis-court, that the rayes falling upon the Retina, may not, by being rebounded thence upon the Uvea, be returned from the Uvea upon the Retina again; for such a repercussion would make the sight more confused. Fifthly, the Tunica Arachnoides, which invelops the Crystalline Humour, by virtue of its Processus Ciliares can thrust forward or draw back that precious useful part of the Eye, as the nearness or distance of the Object shall require. Sixthly & lastly, the Tunica Retina is white, for the better and more true reception of the species of things, (as they ordinarily call them) as a white Paper is fittest to receive those Images in a dark room. If the wit of Man had been to contrive this Organ for himself, what could he have possibly excogitated more accurate? Therefore to think that mere Motion of the Matter, or any other blind Cause, could have hit so punctually, (for Creatures might have subsisted without this accurate provision) is to be either mad or sottish.

4. And the Eye is already so perfect, that I believe the Reason of Man would have easily rested here, and admir'd at its own contrivance: for he being able to move his whole Head upward and downward and on every side, might have unawares thought himself sufficiently well provided for. But Nature has added Muscles also to the Eyes, that no Perfection might be wanting: For we have oft occasion to move our Eyes our Head being unmoved, as in reading and viewing more particularly any Object set before us: and that this may be done with more ease and accuracy, she has furnish'd that Organ with no less then six several Muscles.

5. And indeed this framing of Muscles not only in the Eye, but in the whole Body, is admirable. For is it not a wonder that even all our flesh should be so handsomly contriv'd into distinct pieces, whose Rise and Insertions should be with such advantage, that they do serve with such ease to move some part of the Body or other; and that the parts of our Body are not moved only so conveniently as will serve us to walk and subsist by, but that they are able to move every way imaginable that will advantage us? For we can fling our Legs and Arms upwards and downwards, backwards, forwards and round, as they that spin, or would spread a Mole-hill with their feet. To say nothing of Respiration, the constriction of the Diaphragme for the keeping down the Guts, and so enlarging the Thorax, that the Lungs may have play, and the assistance of the inward Intercostal Muscles in deep Suspirations, when we take more large gulps of Aire to cool our heart overcharged with Love or Sorrow: nor of the curious fabrick of the Larynx, so well fitted with Muscles for the modulation of the Voice, tunable Speech, and delicious Singing: nor, lastly, of Nature's so industriously perforating the Tendons of the second Joynts both of Fingers and Toes, and her so careful transmitting of the Tendons of the third Joynts through them.

6. You