he is conceited, knowing nothing, but obsessed with arguments, disputes, and word battles, from which come envy, strife, reviling, evil suspicions,

 The Christian slave was in a peculiarly difficult position. If he was the slave of a heathen master, he might very easily make it clear that he regarded his master as bound for perdition and himself as the heir of salvation. His Christianity might well give him a feeling of intolerant superiority which would create an impossible situation. On the other hand, if his master was a Christian, the slave might be tempted to take advantage of the relationship and to trade upon it, using it as an excuse for producing inefficient work in the expectation of escaping all punishment. He might think that the fact that both he and his master were Christians entitled him to all kinds of special consideration. There was an obvious problem here. We must note two general things. 