Page:Reflections upon ancient and modern learning (IA b3032449x).pdf/258

 Scruple, who seems unwilling to believe the Circulation of the Blood, because he could not see it. His Words are these (h): Nay it is disputed whether Harvey's Circulation of the Blood be true or no, for though Reason may seem to favour it more than the contrary Opinion; yet Sense can'very hardly allow it, and to satisfie Mankind both these must concurr. Sense therefore here allows it, and that this Sense might the sooner concurr, Monsieur Leeuwenhoek describes the Method how this Experiment may be tried in his 66th. Letter: The Inferences that may be made from this Noble Discovery are obvious, and so I shall not stay to mention them.

after this long Enquiry into the First Discovery of the Circulation of the Blood, it should be found that the Anatomy of the Heart was but slightly known to the Ancients, it will not, I suppose, be a Matter of any great Wonder. The First Opinion which we have of the Texture of the Heart, was that of Hippocrates (i),