And when he came near, even now at the descent of the mount of Olives, the whole multitude of the disciples began to rejoice and praise God with a loud voice for all the mighty works that they had seen;
All Commentaries on Luke 19:37 Go To Luke 19
Ambrose of Milan
AD 397
The multitude then acknowledging God, proclaims Him King, repeats the prophecy, and declares that the expected Son of David according to the flesh had come, saying, Blessed be the King that comes in the name of the Lord.
Nor is it wonderful that the stones against their nature should chant forth the praises of the Lord, whom His murderers, harder than the rocks, proclaim aloud, that is, the multitude, in a little while about to crucify their God, denying Him in their hearts, whole with their mouths they confess. Or perhaps it is said; because, when the Jews were struck silent after the Lord's Passion, the living stones, as Peter calls them, were about to cry out.
Rightly we read that the crowds praising God met Him at the descent of the mountain, that they might signify that the works of the heavenly mystery had come to them from heaven.