This is the third day of the 12 days of Christ-centered'mas: an advent on relishing and reflecting on the gospel. If God's grace is an ocean then we're all sinking!
Primary text: Psalm 86
Resources: Christ-centered exposition- exalting Jesus in Psalms 51-100 by David Platt, Jim Shaddix, and Matt Mason
John Piper's sermon on grace: https://www.desiringgod.org/messages/by-his-grace-for-his-name-through-the-obedience-of-faith