1 Samuel 15

1 Samuel 15:22

Therefore, when different prophets or different apostles should give to those who sin the counsel by which they can correct or amend the sin, they rightly will seem to have sold rams to them for sacrifice. But how much do they charge the buyers? It is, I think, the cost of reading zealously, of hearing with vigilance the word of God, and above all, I think, the most diligent obedience, about which the Lord says, "I prefer obedience to sacrifice; and hearing what I say rather than whole burnt offerings." — HOMILIES ON LEVITICUS 4.5.6