Psalm 122:1
122:1 A Song of degrees of David. I {a} was glad when they
      said unto me, Let us go into the house of the LORD.

      (a) He rejoices that God had appointed a place where the
          ark would still remain.

Psalm 122:2
122:2 Our {b} feet shall stand within thy gates, O Jerusalem.

      (b) Which were wont to wander to and fro, as the ark moved.

Psalm 122:3
122:3 Jerusalem is builded as a city that is {c} compact
      together:

      (c) By the artificial joining and beauty of the houses, he
          means the peace and love that was between the
          citizens.

Psalm 122:4
122:4 Whither {d} the tribes go up, the tribes of the LORD, unto
      the testimony of Israel, to give thanks unto the name of
      the LORD.

      (d) All the tribes according to God's covenant will come
          and pray there.

Psalm 122:5
122:5 For there are set thrones of judgment, the thrones of the
      house of {e} David.

      (e) In whose house God placed the throne of justice, and
          made it a figure of Christ's kingdom.

Psalm 122:7
122:7 Peace be within thy {f} walls, [and] prosperity within thy
      palaces.

      (f) The favour of God prosper you both within and without.

Psalm 122:8
122:8 For my {g} brethren and companions' sakes, I will now say,
      Peace [be] within thee.

      (g) Not only for my own sake but for all the faithful.