Luke 19:31 in the King James Version
And if any man ask you, Why do ye loose him? thus shall ye say unto him, Because the Lord hath need of him.
Context
30 saying, “Go your way into the village on the other side, in which, as you enter, you will find a colt tied, which no man has ever sat upon. Untie it and bring it.
31 If anyone asks you, ‘Why are you untying it?’ say to him: ‘The Lord needs it.’”
32 Those who were sent went away and found things just as he had told them.