Paul Defends His Apostleship - Galatians Epi. 2 - Read, Mark, and Learn

For those who wish to study more in-depth, here are the works we referenced:

R. C. H. Lenski, The Interpretation of St. Paul's Epistles to the Galatians, Ephesians and Philippians. Augsburg Publishing House, Minneapolis, MN: Lutheran Book Concern 1937

Chrysostom, St. John. Commentary on Galatians. N.p.: Just and Sinner, 2019.

Engelbrecht, Rev. Edward A., General Editor, The Lutheran Study Bible. St. Louis, MO: Concordia Publishing House, 2009.

Joersz, Jerald C. Galatians, Ephesians, Philippians. St. Louis, MO: Concordia Publishing House, 2013