Luke 13:14-15
But the President of the Synagogue, indignant that Jesus had worked the cure on the Sabbath, interposed and said to the people: "There are six days on which work ought to be done; come to be cured on one of those, and not on the Sabbath."
John 5:16
And that was why the Jews began to persecute Jesus--because he did things of this kind on the Sabbath.
Hebrews 2:2-3
For, if the Message which was delivered by angels had its authority confirmed, so that every offence against it, or neglect of it, met with a fitting requital,
Hebrews 10:28-29
When a man disregarded the Law of Moses, he was, on the evidence of two or three witnesses, put to death without pity.