... for this reason I bow my knees before the Father,
For this cause--Resuming the thread of Eph 3:1, "For this cause." Because ye have such a standing in God's Church [ALFORD]. bow my knees--the proper attitude in humble prayer. Posture affects the mind, and is not therefore unimportant. See Paul's practice (Act 20:36); and that of the Lord Himself on earth (Luk 22:41).
Our apostle having exhorted the Ephesians in the foregoing verse, not to faint at his tribulation for the gospel, here he puts up a most affectionate prayer to God for them on the same account: For this cause, and in order to this end, I bow my knees, &c. Now in this affectionate and most excellent prayer of the apostle, we have several particulars worthy of our notice and remark.
Verse 14. For this cause. Some suppose that this is a resumption of what he had commenced saying in , but which had been interrupted by a long parenthesis. So Bloomfield explains it. But it seems to me more probable that he refers to what immediately precedes.