He lost no opportunity of condemning that trade which brought the latter into bondage: "a trade," says he, "which is no less repugnant to the feelings of humanity than to the principles of religion." And in his Charles the Fifth, he showed in a manner that was clear, and never to be controverted, that Christianity was the great cause in the twelfth century of extirpating slavery from the West of Europe.

By the establishment of this fact, he rendered important services to the oppressed Africans.

For if Christianity, when it began to be felt in the heart, dictated the abolition of slavery, it certainly became those who lived in a Christian country, and who professed the Christian religion, to put an end to this cruel trade.
The second was the abbe Raynal.

This author gave an account of the laws, government, and religion of Africa, of the produce of it, of the manners of its inhabitants, of the trade in slaves, of the manner of procuring these, with several other particulars relating to the subject.

And at the end of his account, fearing lest the good advice he had given for making the condition of the slaves more comfortable should be construed into an approbation of such a traffic, he employed several pages in showing its utter inconsistency with sound policy, justice, reason, humanity, and religion.
"I will not here," says he, "so far debase myself as to enlarge the ignominious list of those writers, who devote their abilities to justify by policy what morality condemns.