Military training Quote by Eduardo Galeano

Aristotle and Plato considered Greeks so innately superior to barbarians that slavery is justified so long as the master is Greek and the slave…

— Bertrand Russell

“Contrary to Aristotle, there is no known biological difference between slaves and free people.”

— Yuval Noah Harari

Aristotle said that some people were only fit to be slaves. I do not contradict him. But I reject slavery because I see no…

— C. S. Lewis

Plato defined a slave as one who accepts from another the purposes which control his conduct. This condition obtains even where there is no…

— John Dewey

Aristotle [would] probably conclude most Americans, for all intents and purposes, are slaves.

— David Graeber

“Aristotle argued that slaves have a ‘slavish nature’ whereas free people have a ‘free nature’. Their status in society is merely a reflection of…

— Yuval Noah Harari

Slavery was regarded by Aristotle as an ordinance of nature, and so probably was it by the slaves themselves in olden time.

— Alfred Marshall

“We were born to serve humanity, not to slave for society”

— Stephan Attia

To us it seems incredible that the Greek philosophers should have scanned so deeply into right and wrong and yet never noticed the immorality…

— Brigid Brophy

“Slavery is simply a possession of the mind, before the individual submits their spiritual component to the will of another person or deity.”

— Mwanandeke Kindembo

“If you will bear in mind that Socrates, the best of the pagans, knew of no higher criterion for men, of no better guide…

— Lord Acton (John Emerich Edward Dalberg-Acton

I can express all my views on the slavery question by quotations from Henry Clay.

— Abraham Lincoln