Its almost as if Schopenhauer was writing from another Century about any number of topics! Ever read Aristotle’s Politics? If you want some un-PC stuff, Check out how that starts. It’s a I’m pretty sure they sell it in Canad…er, wherever you are lol.
Aristotle’s Views on Slavery: Nature, Necessary and Criticism (yourarticlelibrary.com)
The whole thing about an open mind is you consider all of it first, and in its proper context. So have you read the links I sent yet? This is already one reply to you too many otherwise.