1:15-24 St. Paul was wonderfully brought to the knowledge and faith of Christ. All who are savingly converted, are called by the grace of God; their conversion is wrought by his power and grace working in them. It will but little avail us to have Christ revealed to us, if he is not also revealed in us. He instantly prepared to obey, without hesitating as to his worldly interest, credit, ease, or life itself. And what matter of thanksgiving and joy is it to the churches of Christ, when they hear of such instances to the praise of the glory of his grace, whether they have ever seen them or not! They glorify God for his power and mercy in saving such persons, and for all the service to his people and cause that is done, and may be further expected from them.
15. separated—"set me apart": in the purposes of His electing love (compare Ac 9:15; 22:14), in order to show in me His "pleasure," which is the farthest point that any can reach in inquiring the causes of his salvation. The actual "separating" or "setting apart" to the work marked out for him, is mentioned in Ac 13:2; Ro 1:1. There is an allusion, perhaps, in the way of contrast, to the derivation of Pharisee from Hebrew, "pharash," "separated." I was once a so-called Pharisee or Separatist, but God had separated me to something far better.
from … womb—Thus merit in me was out of the question, in assigning causes for His call from Ac 9:11. Grace is the sole cause (Ps 22:9; 71:6; Isa 49:1, 5; Jer 1:5; Lu 1:15).
called me—on the way to Damascus (Ac 9:3-8).