But what is ſtill more cruel, as every Improvement made by the human Species ſerves only to remove it ſtill further from its primitive Condition, the more we accumulate new Informations, the more we deprive ourſelves of the Means of acquiring the moſt important of all; and it is, in a manner, by the mere dint of ſtudying Man that we have loſt the Power of knowing him.
We need not be very clear-ſighted to perceive, that it is in theſe ſucceſſive Alterations of the human Frame we muſt look out for the firſt Origin of thoſe Differences that diſtinguiſh Men, who, it is univerſally allowed, are naturally as equal among themſelves, as were the Animals of every Species, before various Phyſical Cauſes had introduced thoſe Varieties we now obſerve among ſome of them. In fact, it is not poſſible to conceive, how theſe firſt changes, whatever Cauſes may
