3. It is written, and is read, and is true, in this Psalm, that “They who do wickedness, walk not in His ways” (ver. 3). But we must endeavour, with the help of God, “in” whose “hand are both we and our words,” that what is rightly said, by not being rightly understood, may not confuse the reader or hearer. For we must beware, lest all the Saints, whose words these are, “If we say that we have no sin, we deceive ourselves, and the truth is not in us;” may either not be thought to walk in the ways of the Lord, since sin is wickedness, and “they who do wickedness, walk not in His ways;” or, because it is not doubtful that they walk in the ways of the Lord, may be thought to have no sin, which is beyond doubt false. For it is not said merely for the sake of avoiding arrogance and pride. Otherwise it would not be added, “And the truth is not in us;” but it would be said, Humility is not in us: especially because the following words throw a clearer light on the meaning, and remove all the causes of doubt. For when the blessed John had said this, he added, “If we confess our sins, He is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness.”…