Matthew

Matthew 24:20 - "But pray ye that your flight be not in the winter, neither on the sabbath day:"

Mark

Mark 14:66 - "And as Peter was beneath in the palace, there cometh one of the maids of the high priest:"

Luke

Luke 14:3 - "And Jesus answering spake unto the lawyers and Pharisees, saying, Is it lawful to heal on the sabbath day?"

John

John 3:33 - "He that hath received his testimony hath set to his seal that God is true."