Increase of Faith
Faith is said to increase (2 Cor. 10:15), to be established (Col. 2:7), to grow exceedingly (2 Thess. 1:3), all the way to full assurance of faith (Heb. 10:22).
Petrus van Mastricht. Theoretical-Practical Theology: Faith in the Triune God, ed. Joel R. Beeke, trans. Todd Rester, vol. 2 (Grand Rapids, MI: Reformation Heritage Books, 2019), 48