Bede the Venerable
Catena Aurea · Lukasevangelium 19
And when he was come nigh, 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; Saying, Blessed be the King that cometh in the name of the Lord: peace in heaven, and glory in the highest. And some of the Pharisees from among the multitude said unto him, Master, rebuke thy disciples. And he answered and said unto them, I tell you that, if these should hold their peace, the stones would immediately cry out
Again, when our Lord descends from the mount of Olives, the multitude descend also, because since the Author of mercy has suffered humiliation, it is necessary that all those who need His mercy should follow His footsteps.