Cruelty creates anguish and suffering.
> Exodus 6:9 Moses spoke so to the children of Israel, but they did not listen to Moses on account of their anguish of spirit and for cruel bondage.
> Psalm 71:4 Deliver me, O my God, out of the hand of the wicked, out of the hand of the unjust and cruel man.
> Proverbs 11:17 The merciful man does good to his own soul, but he who is cruel troubles his own body.
> Proverbs 12:10 A righteous man regards the life of his animal, but the tender mercies of the wicked are cruel.
> Ezekiel 34:4 The diseased you have not strengthened, nor have you healed that which was sick, nor have you bound up that which was broken, nor have you brought back that which was driven away, nor have you sought that which was lost. But with force and with cruelty you have subjugated them.