One who says, "I know him," and doesn't keep his commandments, is a liar, and the truth isn't in him.

 (ii) We may regard our brother man with contempt. We may treat him as a fool in comparison with our intellectual attainment and as one whose opinions are to be brushed aside. We may regard him much as the Greeks regarded slaves, a necessary lesser breed, useful enough for the menial duties of life, but not to be compared with themselves. 