God shall bless us - That is, with prosperity, peace, salvation. The making of his name known abroad will be the means of blessing the world; will be the highest favor that can be conferred on mankind.
And all the ends of the earth shall fear him - All parts of the earth. See the notes at Psalm 22:27. The time, therefore, looked for is that when the knowledge of the Lord shall pervade all lands; the time to which the ancient prophets were constantly looking forward as the sum of all their wishes, and the burden of all their communications; that time, for the coming of which all who love their fellow-men, and who earnestly desire the welfare of the world, should most earnestly pray. The hope that this may occur, is the only bright thing in the future respecting this world; and he lives most in accordance with the high ends for which man was made who most earnestly desires this, and who, by his prayers and efforts, contributes most to this glorious consummation.

God shall bless us - He shall ever be speaking good to us, and ever showering down good things upon us.
The last clause of the sixth verse should be joined to the seventh, as it is in several of the Versions, and should be in all. Many of the fathers, and several commentators, have thought that there is a reference to the Holy Trinity in the triple repetition of the word God: "God, our God, shall bless us; God shall bless us;" thus paraphrased in the old Psalter: "Blis us God the Fader: and our God the sone: and blis us and multipli us God the Hali Gast; that swa drede him God, all the endis of erth; for he wil comme to deme rightwysly that unrightwysly was demed. He that kan drede him, he eesses noght to lufe him."
When or by whom this Psalm was written cannot be ascertained. It seems to be simply a prophecy concerning the calling of the Gentiles, the preaching of the apostles, and the diffusion and influence of Christianity in the world. It is a fine piece of devotion; and it would be nearly impossible to read or repeat it with a cold and unaffected heart.

God shall bless us; and all the ends of the earth (e) shall fear him.
(e) When they feel his great benefits both spiritual and corporal toward them.

God shall bless us,.... The Holy Spirit blesses with regenerating and renewing grace; with faith, comfort, joy and peace, by shedding abroad in the heart the love of the Father and the Son; by applying precious promises; by testifying adoption; by making meet for heaven and happiness, and working up for the selfsame thing eternal glory;
and all the ends of the earth shall fear him; the one God, Father, Son, and Spirit, the object of religious fear, internal and external; for this includes the exercise of that inward grace of filial fear, and the performance of all divine worship, public and private; and which in the latter day will be found among Jews and Gentiles, in all the inhabitants of the earth, even to the ends of it, Hosea 3:5.