Jamieson, Fausset & Brown

my Father's house--How close the resemblance of these remarkable words to Luk 2:49; the same consciousness of intrinsic relation to the temple--as the seat of His Father's most august worship, and so the symbol of all that is due to Him on earth--dictating both speeches. Only, when but a youth, with no authority, He was simply "a SON IN His own house"; now He was "a SON OVER His own house" (Heb 3:6), the proper Representative, and in flesh "the Heir," of his Father's rights. house of merchandise--There was nothing wrong in the merchandise; but to bring it, for their own and others' convenience, into that most sacred place, was a high-handed profanation which the eye of Jesus could not endure.