{6} And when he was come into the temple, the chief priests and the elders of the people came unto him as he was teaching, and said, By what {k} authority doest thou these things? and who gave thee this authority?

(6) Against those who neglect the doctrine and bind the calling and vocation to an ordinary succession, going about by that false pretext, to stop Christ's mouth.

(k) Or by what power.

People's New Testament

21:23 When he was come into the temple. Compare Mr 11:27 Lu 20:1. This was on Tuesday, after the discourse on the fig tree, which occurred the morning after the curse was pronounced.

The chief priests and the elders. Mark and Luke add the scribes. These three classes made up the Sanhedrin, and this was probably a deputation from that body.

By what authority doest thou these things? Such acts as driving the money-changers and traders out of the temple, done the day before.

Wesley's Notes

21:23 When he was come into the temple, the chief priests came - Who thought he violated their right: and the elders of the people - Probably, members of the sanhedrim, to whom that title most properly belonged: which is the more probable, as they were the persons under whose cognizance the late action of Christ, in purging the temple, would naturally fall. These, with the chief priests, seem purposely to have appeared in a considerable company, to give the more weight to what they said, and if need were, to bear a united testimony against him. As he was teaching - Which also they supposed he had no authority to do, being neither priest, nor Levite, nor scribe. Some of the priests (though not as priests) and all the scribes were authorized teachers. By what authority dost thou these things - Publicly teach the people! And drive out those who had our commission to traffic in the outer court? Luke 20:1; Mark 11:27.

Jamieson-Fausset-Brown Bible Commentary

Mt 21:23-46. The Authority of Jesus Questioned and the Reply-The Parables of the Two Sons, and of the Wicked Husbandman. ( = Mr 11:27-12:12; Lu 20:1-19).

Now commences, as Alford remarks, that series of parables and discourses of our Lord with His enemies, in which He develops, more completely than ever before, His hostility to their hypocrisy and iniquity: and so they are stirred up to compass His death.

The Authority of Jesus Questioned, and the Reply (Mt 21:23-27).

23. By what authority doest thou these things!-referring particularly to the expulsion of the buyers and sellers from the temple,

and who gave thee this authority?

Matthew Henry's Concise Commentary

21:23-27 As our Lord now openly appeared as the Messiah, the chief priests and scribes were much offended, especially because he exposed and removed the abuses they encouraged. Our Lord asked what they thought of John's ministry and baptism. Many are more afraid of the shame of lying than of the sin, and therefore scruple not to speak what they know to be false, as to their own thoughts, affections, and intentions, or their remembering and forgetting. Our Lord refused to answer their inquiry. It is best to shun needless disputes with wicked opposers.