Jamieson-Fausset-Brown Bible Commentary
<> Behold, bless ye the LORD, all ye servants of the LORD, which by night stand in the house of the LORD.
Ps 134:1-3. 1, 2. The pilgrim bands arriving at the sanctuary call on the priests, who
stand in the house of the Lord—at the time of the evening sacrifice, to unite in praising God in their name and that of the people, using appropriate gestures, to which the priests reply, pronouncing the Mosaic blessing which they alone could pronounce. A fit epilogue to the whole pilgrim-book, Psalms 120-134.
by night—the evening service (Ps 141:2), as opposed to morning (Ps 92:2).
Lift up your hands in the sanctuary, and bless the LORD.
2. Lift up your hands—(Compare Ps 28:2).
The LORD that made heaven and earth bless thee out of Zion.
3. After the manner directed (Nu 6:23).
out of Zion—the Church, as His residence, and thus seat of blessings. Thus close the songs of degrees.