Mark 2:24
And the Pharisees said unto him, Behold, why do they on the sabbath day that which is not lawful?
Cross-reference
Mark 2:7 shows earlier leaders accusing Jesus of blasphemy — same pattern of religious authority challenging Jesus' actions.
Mark 2:16 has Pharisees criticizing Jesus for eating with sinners — another example of their constant scrutiny of his conduct.
In Exodus 20:10, this is the Sabbath command forbidding work — the very law the Pharisees accuse Jesus' disciples of breaking.
In Exodus 31:15, the Sabbath law includes the death penalty for work — the legal basis behind the Pharisees' accusation.
In Exodus 35:2, the Sabbath rest command with capital punishment underlies the Pharisees' objection to the disciples' activity.
In Numbers 15:32-36, gathering sticks on the Sabbath is punished by death — a parallel case of seemingly minor work being treated as a violation.
In Nehemiah 13:15-22, Sabbath breaking (treading winepresses) is rebuked — similar enforcement of rest that the Pharisees demand here.
Jeremiah 17:20-27 warns against carrying burdens on the Sabbath -- the specific law the Pharisees claim the disciples violate by plucking grain.
Luke 6:2 records the identical accusation by the Pharisees -- the parallel Gospel account of this same Sabbath controversy.
Isaiah 58:13 defines honoring the Sabbath by refraining from business -- the strict standard the Pharisees use to accuse the disciples here.
Matthew 15:3 has Jesus turning the tables, asking why Pharisees break God's command for tradition — mirroring his defense here.
Matthew 23:23 condemns Pharisees for tithing mint while neglecting justice — same legalistic focus on minor rules they display here.
Matthew 23:23 again highlights Pharisees' misplaced priorities — they criticize the disciples while themselves neglecting weightier matters.
Matthew 7:3-5 warns against hypocritical judgment with a log in your own eye — the Pharisees here are guilty of that, condemning small infractions.
Matthew 15:2 shows Pharisees questioning disciples about hand-washing tradition — similar accusation of breaking rules.
John 5:10 shows a similar Sabbath accusation about carrying a mat -- reflecting the same legalistic mindset confronting Jesus here.