They had settled the question that slavery was right, and by that standard they determined that Sabbath-schools were wrong.
Frederick Douglass
The Public Record
Frederick Douglass was an American social reformer, abolitionist, orator, writer, and statesman. He was "the most important leader of the movement for African-American civil rights in the 19th century".
If slavery were right, Sabbath-schools for teaching slaves to read were wrong, and ought to have been put down.
If the slaves learned to read they would learn something more and something worse.
The slaveholders there, like slaveholders elsewhere, preferred to see the slaves engaged in degrading sports, rather than acting like moral and accountable beings.
But to meet for the purpose of improving the mind and heart, by learning to read the sacred scriptures, was a nuisance to be instantly stopped.
I was not long in bringing around me twenty or thirty young men, who enrolled themselves gladly in my Sabbath-school, and were willing to meet me regularly under the trees or elsewhere, for the purpose of learning to read.
I began to address my companions on the subject of education, and the advantages of intelligence over ignorance, and, as far as I dared, I tried to show the agency of ignorance in keeping men in slavery.
Thus elevated a little at Freeland’s, the dreams called into being by that good man, Father Lawson, when in Baltimore, began to visit me again; shoots from the tree of liberty began to put forth buds, and dim hopes of the future began to…
You may hurl a man so low beneath the level of his kind, that he loses all just ideas of his natural position, but elevate him a little, and the clear conception of rights rises to life and power, and leads him onward.
Notwithstanding all the improvement in my relations, notwithstanding the many advantages I had gained by my new home and my new master, I was still restless and discontented.
It was the sober, thoughtful slave who was dangerous, and needed the vigilance of his master to keep him a slave.
Thus, when the slave asked for hours of “virtuous liberty,” his cunning master took advantage of his ignorance and cheered him with a dose of vicious and revolting dissipation artfully labeled with the name of “liberty.