Now apply the golden rule to slavery.

Are there any circumstances in which you would yourself be willing to be 'owned' ?" "Certainly," I replied.
He rose, and put some lumps of coal upon the fire with the tongs, and said, "I presume you mean what you say, and that you do not wish to trifle with the subject." "Mr.North," said I, "would you be willing that any one should make you head-cook in a hotel, engineer in a steamboat, or keeper of a floating light ?" "No, Sir," said he.
"You would, Mr.North," said I, "under given circumstances.

You would petition for such places, get recommendations for them, and count yourself perfectly happy, if you succeeded in obtaining them.
"Now look at the slaves.

They are a foreign race, we are their civil superiors, and unless we amalgamate, we intend to remain so.

While we are in this relation, it is a privilege to the blacks to have owners, but they must use their ownership according to the golden rule.