John 8:7

Verse 7. They continued asking him. They pressed the question upon him. They were determined to extort an answer from him, and showed a perseverance in evil which has been unhappily often imitated. Is without sin. That is, without this particular sin; he who has not himself been guilty of this very crime--for in this place the connection evidently demands this meaning. Let him first cast a stone at her. In the punishment by death, one of the witnesses threw the culprit from the scaffold, and the other threw the first stone, or rolled down a stone to crush him. See De 17:6,7.