The Lord reigneth. One of the most joyous utterances which ever leaped from mortal lip. The overthrow of the reign of evil and the setting up of Jehovah's kingdom of goodness, justice, and truth, is worthy to be hymned again and again, as we have it here for the third time in the psalms.

The Lord is great in Zion. Of old the temple's sacred hill was the centre of the worship of the great King, and the place where his grandeur was most clearly beheld: his church is now his favoured palace, where his greatness is displayed, acknowledged, and adored.

Let them praise thy great and terrible name: let all the dwellers in Zion and all the nations upon the earth praise the Lord, or "acknowledge thankfully" the goodness of his divine nature, albeit that there is so much in it which must inspire their awe.

The king's strength also loveth judgment. God is the king, the mercy-seat is his throne, and the sceptre which he sways is holy like himself. His power never exerts itself tyrannically; he is a sovereign, and he is absolute in his government, but his might delights in right, his force is used for…

Exalt ye the LORD our God. If no others adore him, let his own people render to him the most ardent worship. Infinite condescension makes him stoop to be called our God, and truth and faithfulness bind him to maintain that covenant relationship; and surely we, to whom by grace he so lovingly gives…

Moses and Aaron among his priests, and Samuel among them that call upon his name. Though not ordained to the typical priesthood, Moses was a true priest, even as Melchizedek had been before him. God has ever had a priesthood beside and above that of the law.

He spake unto them in the cloudy pillar. We have had mention of the ark and the shekinah, and now of the fiery cloudy pillar, which was another visible token of the presence of God in the midst of Israel.

Thou answeredst them, 0 LORD our God. A sweet title and a cheering fact. Our covenant God in a very special manner heard his three servants when they pleaded for the people. Thou wast a God that forgavest them, though thou tookest vengeance of their inventions.

Exalt the LORD our God. A second time the delightful title of Jehovah our God is used, and it is quickly followed by a third. The Psalm is Trinitarian in its whole structure.

Let the people tremble... let the earth be moved. That fear which proceeds from simple reverence as well as that which arises from apprehension of evil, produces bodily shaking. Thus this exhortation may concern believing as well as unbelieving nations. Amyraldus. Let the people tremble.

He is high above all the people. The metaphor is taken from such great objects as trees, animals, palaces, towers, which are the more valued, and are regarded as possessing the greater strength, the higher they rise above others. So De 1:28 2:10,21 9:2, Concerning the Canaanites and the giants.

Let them praise thy great and terrible name, etc. Although the enemies of the Church of God are in a tumult, and the whole earth is moved, do you nevertheless with joyful spirit entrust your salvation to him, and acknowledge and diligently celebrate his power displayed in the defence of his people…

The king's strength. They will remember his strength with joy, because he loveth judgment, and there is no reason, therefore, to be afraid of him in consequence of his great strength, so long as they continue to walk in the good way. George Phillips.

Bishop Horsley thus renders this verse: "Exalt ye Jehovah our God, And make prostration before his foostool; It is holy." Thus he connects "hory" with Jehovah's footstool, mentioned in the preceding clause.

Moses and Aaron among his priests, or chief officers; as in 1Ch 18:17. Moses was, if not a priest, yet a continual intercessor for the people, and a type of Christ the great Mediator of his church.

They kept his testimonies. For this reason they were so promptly heard, even as the Lord himself says, "If a man love me he will keep my words, "and again, "If ye abide in me and my words abide in you, ye shall ask what ye will and it shall be done unto you." And the ordinance that he gave them.

The construction of the verse seems to be this: "O Lord our God, thou didst hear or answer them, "that is, the aforementioned typical mediators, Moses, Aaron, and Samuel: "thou becamest a forbearing God for them, "or, at their intercession; and that "even when punishing, "or, when thou hadst begun…