Psalm 66:1
66:1 To the chief Musician, A Song [or] Psalm. Make a joyful
     noise unto God, {a} all ye lands:

     (a) He prophecies that all nations will come to the
         knowledge of God, who then was only known in Judea.

Psalm 66:3
66:3 Say unto God, How terrible [art thou in] thy works! through
     the greatness of thy power shall thine enemies {b} submit
     themselves unto thee.

     (b) As the faithful obey God willingly, so the infidels
         disguise themselves as obedient out of fear.

Psalm 66:5
66:5 {c} Come and see the works of God: [he is] terrible [in
     his] doing toward the {d} children of men.

     (c) He refers to the slothful dullness of man, who is cold
         in the consideration of God's works.
     (d) His providence is wonderful in maintaining their
         estate.

Psalm 66:7
66:7 He ruleth by his power for ever; his eyes behold the
     nations: let not the rebellious {e} exalt themselves.
     Selah.

     (e) He proves that God will extend his grace also to the
         Gentiles, because he punishes among them such as will
         not obey his calling.

Psalm 66:9
66:9 Which {f} holdeth our soul in life, and suffereth not our
     feet to be moved.

     (f) He signifies some special benefit that God had showed
         to his Church of the Jews, in delivering them from some
         great danger: of which he promises that the Gentiles
         will also be partakers.

Psalm 66:11
66:11 Thou broughtest us into the {g} net; thou laidst
      affliction upon our loins.

      (g) The condition of the Church is here described, which
          is to be led by God's providence into troubles, to be
          subject under tyrants, and to enter into many dangers.

Psalm 66:13
66:13 I will go into thy {h} house with burnt offerings: I will
      pay thee my vows,

      (h) The duty of the faithful is here described, who are
          never mindful to render God praise for his benefits.

Psalm 66:16
66:16 {i} Come [and] hear, all ye that fear God, and I will
      declare what he hath done for my soul.

      (i) It is not enough to have received God's benefits and
          to be mindful of it, but also we are bound to make
          others profit by it and praise God.

Psalm 66:18
66:18 {k} If I regard iniquity in my heart, the Lord will not
      hear [me]:

      (k) If I delight in wickedness, God will not hear me, but
          if I confess it, he will receive me.