Nicene and Post-Nicene Fathers, Vol. V:
A Treatise Concerning Man’s Perfection...: Section 25

(25.) Hence the force of the statement: “There was no injustice in my hands, but my prayer was pure.” 1468 For the purity of his prayer arose from this circumstance, that it was not improper for him to ask forgiveness in prayer, when he really bestowed forgiveness himself.

Footnotes

Job xvi. 18.