Say among the heathen that the LORD reigneth: the world also shall be established that it shall not be moved: he shall judge the people righteously.
This exhortation is directed to all nations, not Israel alone, which proves it concerns Christ's kingdom. The heathen were mute and deaf to God until the Gospel spread the knowledge of Him everywhere; the Spirit stirred the saints under the Law to praise God until that day came.
AI summary
Commenting on Psalm 96:1-13
Say among the heathen that the Lord reigneth. This is the gladdest news which can be carried to them, —the Lord Jehovah, in the person of his Son has assumed the throne, and taken to himself his great power. Tell this out among the heathen, and let the heathen themselves, being converted, repeat the same rejoicing.
We have here instructions given to those who were to preach the gospel to the nations what to preach, or to those who had themselves received the gospel what account to give of it to their neighbours, what to say among the heathen; and it is an illustrious prophecy of the setting up of the kingdom of Christ upon the ruins of the devil's kingdom...
Commenting on Psalm 96:10-13