Matthew
Matthew 27:4BSB·traditional attribution

“I have sinned by betraying innocent blood,” he said. “What is that to us?” they replied. “You bear the responsibility.”

John Calvin Reformed @genevareformer

4. What is that to us? Here is described the stupidity and madness of the priests, since even after having been warned by the dreadful example of Judas, still they do not think about themselves. I do acknowledge that hypocrites, as they are accustomed to flatter themselves, had some plausible excuse at hand for distinguishing between their case and that of Judas; for they did...

John Gill Reformed Baptist @doctorgill

Saying, I have sinned,.... Here was a confession, and yet no true repentance; for he confessed, but not to the right persons; not to God, nor Christ, but to the chief priests and elders; nor over the head of the antitypical scape goat, not seeking to Christ for pardon and cleansing, nor did he confess and forsake sin, but went on adding sin to sin, and so found no mercy.

Albert Barnes Presbyterian @notesbybarnes

Verse 4. I have sinned, I have been guilty. I have done wrong. In that I have betrayed the innocent blood. That is, in betraying an innocent being to death. Blood is put here for life, or for the man. The meaning is, that he knew and felt that Jesus was innocent. This confession is a remarkable proof that Jesus was innocent.