2:14 who gave himself for us. That is, on the cross. Paul follows with two aspects of the work of Christ.
purify for himself a people for his own possession. Paul’s second point focuses on the church: Christ purifies individuals from their sins (Heb. 9:14; 1 John 1:7, 9) so that together they might constitute a people special to Him (Ezek. 37:23). On Christ purifying the church, see Eph. 5:25–27.
zealous for good works. See note on v. 7.