MAT. 22:39 = And the second is like unto it, Thou shalt love thy neighbor as thyself.
Mat 22:40 = On these two commandments hang all the law and the prophets.
You cannot love your neighbor and steal his labor.
It is believable to me that in 2013 we are still discussing the morality of slavery.
But Paul didn’t quote those verses to Philemon and order him to free Onesimus. Did Paul not know them?
In fact he told Onesimus to return to Philemon. There appears to be a flaw in your use of those verses.