Charles Hodge on Ephesians 5:20

V. 20. Therefore the apostle connects the two; "Be ye filled with the Spirit, singing hymns to Christ, and giving thanks to God even the Father." The Spirit dictates the one as naturally as the other. We are to give thanks always. It is not a duty to be performed once for all, nor merely when new mercies are received; but always, because we are under obligation for blessings temporal and spiritual already received, which calls for perpetual acknowledgment. We are to give thanks for all things; afflictions as well as for our joys, say the ancient commentators. This is not in the text, though Paul, as we learn from other passages, gloried in his afflictions. Here the words are limited by the context, for all our mercies. In the name of the Lord Jesus. The apostles preached in the name of the Lord Jesus; they wrought miracles in his name; believers are commanded to pray in his name; to give thanks in his name, and to do all things in his name. In all these cases the general idea is that expressed by [Bengel: ut perinde sit, ac si Christus faciat. What we do in the name of Christ we do by his authority, and relying on him for success. Christ gives us access to the Father; we come to God through him; he gives the right to come, and it is on him we depend for acceptance when we come. Τῷ Θεῷ καὶ πατρί, God even the Father, i. e. to God the Father of our Lord Jesus Christ. This is the covenant title of God under the new dispensation, and presents the only ground on which he can be approached as our Father.