Luke 13:14-15
Then the Warden of the Synagogue, indignant that Jesus had cured her on a Sabbath, said to the crowd, "There are six days in the week on which people ought to work. On those days therefore come and get yourselves cured, and not on the Sabbath day."
John 5:16
and on this account the Jews began to persecute Jesus--because He did these things on the Sabbath.
Hebrews 2:2-3
For if the message delivered through angels proved to be true, and every transgression and act of disobedience met with just retribution,
Hebrews 10:28-29
Any one who bids defiance to the Law of Moses is put to death without mercy on the testimony of two or three witnesses.