Luke 19:40

40 “I tell you,” he replied, “if they keep quiet, the stones will cry out.”

Read Luke 19:40 Using Other Translations

And he answered and said unto them,I tell you that, if these should hold their peace, the stones would immediately cry out.
He answered, "I tell you, if these were silent, the very stones would cry out."
He replied, “If they kept quiet, the stones along the road would burst into cheers!”

What does Luke 19:40 mean?

John Gill's Exposition of the Bible
Luke 19:40

And he answered and said unto them, I tell you
As a truth, which may be depended on, and you may be assured of; this he spake with great earnestness, fervour, and courage:

that if these should hold their peace;
be silent, and not sing the praises of God, and ascribe glory to him, and profess the Messiah, and make this public acknowledgment of him:

the stones would immediately cry out;
either against them, or in a declaration of the Messiah: by which expression our Lord means, that it was impossible it should be otherwise; it would be intolerable if it was not; and rather than it should not be, God, who is able out of stones to raise up children to Abraham, would make the stones speak, or turn stones into men, who should rise up and praise the Lord, and confess the Messiah; hereby commending his disciples, and tacitly reflecting upon the Pharisees, for their stupidity; and also giving a hint of the conversion of the Gentiles, who might be compared to stones, especially in the opinion of the Jews.

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