Many slaves on this continent are oppressed, and their cries have reached the ears of the Most High. Such are the purity and certainty of his judgments, that he cannot be partial in our favor.

John Woolman (October 19 1720 - October 7 1772) was a North American merchant tailor journalist and itinerant Quaker preacher and an early abolitionist in the colonial era. In 1772 Woolman traveled to England where he urged Quakers to support abolition of slavery.