Matthew 12:8 KJV
For the Son of man is Lord even of the sabbath day.
Matthew 12:8, King James Version
In context
7 But if ye had known what this meaneth, I will have mercy, and not sacrifice, ye would not have condemned the guiltless.
8 For the Son of man is Lord even of the sabbath day.
9 And when he was departed thence, he went into their synagogue: