True. That is human nature, to be unloyal, cruel, unjust, perverted, ungrateful, cold-blooded, foolish, and deceitful. The antonyms of those words are the description of good beings. The only thing making good people of great value, is that all people are naturally the opposite. There is discipline involved to be loyal, merciful, just, clean minded, grateful, warm-hearted, wise, and honest.