So monstrous is the making and keeping them slaves at all, abstracted from the barbarous usage they suffer, and the many evils attending the practice; as selling husbands away from wives, children from parents, and from each other, in violation of sacred and natural ties; and opening the way for adulteries, incests, and many shocking consequences, for all of which the guilty Masters must answer to the final Judge.

African Slavery in America (March 1775)