So then (ara oun). Two inferential particles, "accordingly therefore." Let us follow after (diwkwmen). Present active subjunctive (volitive). "Let us pursue." Some MSS. have present indicative, "we pursue." The things which make for peace (ta th eirhnh). "The things of peace," literally, genitive case. So "the things of edification for one another" (ta th oikodomh th ei allhlou).