Luke 19:37-40 “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.”
The people were rejoicing that day because they believed that Jesus would immediately become king and would throw off the enslavement of Rome. Of course, in just a few days they would discover that they had been wrong and that Jesus would be crucified. Eventually, they would again rejoice, knowing that Jesus was raised from the dead. And when Jesus returns to earth again to establish His kingdom, when He rides into Jerusalem on a white charger, there will be everlasting rejoicing.
When critics objected to the rejoicing of the disciples, Jesus spoke a proverb, “If these should hold their peace, the stones would immediately cry out.” He means that men should rejoice because of Him and they should praise Him. It would be unthinkable for men to refuse to praise Him. All of nature praises Him, as nature should. The rocks, the rivers, and the reaches of space shout forth His glory. So we praise Him for his loving kindness, His mercy, His power, and His grace.