Supplication — Thence it appears, that sacrifices were accompanied with solemn prayers. Forced myself — I did it against my own mind and inclination.
Related Commentaries of 1 Samuel 13:12
1 Samuel 13:12
12 Therefore said I, The Philistines will come down now upon me to Gilgal, and I have not made supplication unto the LORD: I forced myself therefore, and offered a burnt offering.