I only have time for a quick quote from this week’s reading from The Hidden Life of Prayer by David McIntyre. (Chapter 5 was on confession in prayer, and chapter 6 on making petitions to God.)
When, in the course of the day’s engagements, our conscience witnesses against us that we have sinned, we should at once confess our guilt, claim by faith the cleansing of the blood of Christ, and so wash our hands in innocence. And afterwards, as soon as we have a convenient opportunity, we ought to review with deliberation the wrong that we have done. As we consider it with God we shall be impressed by its sinfulness, as we were not at the time of committal. And if the sin is one which we have committed before, one to which perhaps our nature lies open, we must cast ourselves in utter faith upon the strong mercy of God, pleading with Him in the name of Christ that we may never again so grieve Him.
As our hearts grow more tender in the presence of God, the remembrance of former sins which have already been acknowledged and forgiven will from time to time imprint a fresh stain upon our conscience. In such a case nature itself seems to teach us that we ought anew to implore the pardoning grace of God. For we bend, not before judgment seat of the Divine Lawgiver, but before our Father, to whom we have been reconciled through Christ. A more adequate conception of the offense which we have committed ought surely to be followed by a deeper penitence for the wrong done. Under the guidance of the Holy Spirit we shall often be led to pray with the Psalmist, “Remember not the sins of my youth” (Psa 25:7), even though these have long since been dealt with and done away. Conviction of sin will naturally prompt to confession. When such promptings are disregarded, the Spirit who has wrought in us that conviction is grieved.