Memoir and poems of Phillis Wheatley - a native African and a slave

(...)"are generally acknowledged to have a happy moral influence. But especially is it the case, that, when these qualities have raised the individual who possesses them from the humblest walks of life, to the notice and approbation of the wise and good in its elevated stations, the example cannot but be an encouragement and a gratification to those gifted spirits, unto whom the lines have fallen in the shade-places of life, but who aspire to pitch their tent in the sunshine.
Under these impressions we introduce to the reader the subject of the following Memoir, whom we find in the lowest condition of humanity; for she was sold and bought like a beast in the market! and that in the same land where, shortly after, the people rose in their indignation against oppression, and asserted, in the face of a frowning world, that ' All men are born free and equal.'(...)"