John the Apostle
Revelation 22:2BSB·traditional attribution

down the middle of the main street of the city. On either side of the river stood a tree of life, bearing twelve kinds of fruit and yielding a fresh crop for each month. And the leaves of the tree are for the healing of the nations.

Matthew Henry Presbyterian @wholebiblehenry

The heavenly state which was before described as a city, and called the new Jerusalem, is here described as a paradise, alluding to the earthly paradise which was lost by the sin of the first Adam; here is another paradise restored by the second Adam. A paradise in a city, or a whole city in a paradise!

Commenting on Revelation 22:1-5

John Gill Reformed Baptist @doctorgill

In the midst of the street of it,.... That is, of the city described in the preceding chapter, which shows that this vision belongs to that, and is a continuation of it, and which street was all of pure gold, Rev 21:21 and on either side of the river was there the tree of life; not that it stood either in the midst of the...

Albert Barnes Presbyterian @notesbybarnes

Verse 2. In the midst of the street of it. Professor Stuart renders this, "between the street thereof and the river;" and says that "the writer conceives of the river as running through the whole city; then of streets parallel to it on either side; and then, on the banks of the river, between the water and the street, the whole stream is lined on...