John 8:7-9

When they continued asking him That is, pressed him with great importunity to give an answer, thinking, no doubt, that they had him at a great advantage; he lifted up himself, and, without replying directly to their demand, said, He that is without sin among you He that is not guilty (his own conscience being the judge) either of the same sin or of some nearly resembling it; let him As a witness; first cast a stone at her He alludes to the law, (Deuteronomy 17:7,) which ordered, that the hands of the witnesses, by whose testimony an idolater was convicted, should be first upon him, and afterward the hands of all the people. Our Lord's meaning was, Persons exceedingly zealous in getting punishment executed on others, ought to be free themselves at least from gross sins; for which cause, as you are all guilty of equal, or greater, or, it may be, the like offences, and deserve the wrath of God, you should show mercy to this sinner, who may have fallen through the strength of temptation, rather than of evil inclination, and who is now truly sorry for her offence. Our Lord's words made such an impression on the minds of these hypocrites, and raised in them such strong convictions of sin, as soon put their zeal to shame; and made them afraid to stay, lest Jesus should have made their particular sins public. And he again stooped down and wrote on the ground Giving them an opportunity to withdraw, which they embraced; and being convicted by their own consciences That is, their consciences smiting them with remorse, because, at some time or other of their lives, they had been guilty, either of the very sin for which they proposed to have this woman stoned, or of some crime or crimes equally great: they went out one by one, beginning at the eldest, even unto the last Αρξαμενοι απο των πρεσβυτερων εως των εσχατων. This, Keuchenius interprets, beginning at the most honourable, even unto the lowest of them, and this they did, although, when they first came, they had been exceedingly incensed against her. And Jesus was left alone By all those scribes and Pharisees who proposed the question. But many others remained, to whom our Lord directed his discourse presently after.