John Chrysostom (attributed)

See the mercy of God, that He thinks rather of man’s benefit than of His own honour; He loves concord in the faithful more than offerings at His altar; for so long as there are dissensions among the faithful, their gift is not looked upon, their prayer is not heard. For no one can be a true friend at the same time to two who are enemies to each other. In like manner, we do not keep our fealty to God, if we do not love His friends and hate His enemies. But such as was the offence, such should also be the reconciliation. If you have offended in thought, be reconciled in thought; if in words, be reconciled in words; if in deeds, in deeds be reconciled. For so it is in every sin, in whatsoever kind it was committed, in that kind is the penance done.