Contradiction with Exodus 31:15
John 7:21 speaks about a miraculous work being done on the Sabbath, while Exodus 31:15 emphasizes resting on the Sabbath and not performing work.
Exodus 31:15: Six days may work be done; but in the seventh [is] the sabbath of rest, holy to the LORD: whosoever doeth [any] work in the sabbath day, he shall surely be put to death. [holy: Heb. holiness]
Contradiction with Luke 13:14
John 7:21 involves Jesus performing a miracle on the Sabbath, whereas Luke 13:14 criticizes people for working on the Sabbath.
Luke 13:14: And the ruler of the synagogue answered with indignation, because that Jesus had healed on the sabbath day, and said unto the people, There are six days in which men ought to work: in them therefore come and be healed, and not on the sabbath day.
Contradiction with Mark 2:27-28
John 7:21 presents a healing act criticized for its timing, while Mark 2:27-28 suggests the Sabbath serves humanity, not strict rules.
Mark 2:27-28: And he said unto them, The sabbath was made for man, and not man for the sabbath:
Contradiction with Matthew 12:12
John 7:21 sees healing questioned on the Sabbath, whereas Matthew 12:12 argues that doing good on the Sabbath is lawful.
Matthew 12:12: How much then is a man better than a sheep? Wherefore it is lawful to do well on the sabbath days.
Contradiction with Exodus 35:2
John 7:21 highlights a controversial Sabbath miracle, conflicting with Exodus 35:2, which prescribes rest and no work on the Sabbath.
Exodus 35:2: Six days shall work be done, but on the seventh day there shall be to you an holy day, a sabbath of rest to the LORD: whosoever doeth work therein shall be put to death. [an...: Heb. holiness]