The Sabbath is grounded in God's own creation rest, yet God remains sovereign over life and providence.
Genesis 2:2-3; Exodus 20:8-11 provide the Sabbath background.
Jesus grounds his own ongoing work in the Father's ongoing work. The following discourse explains rather than retracts the extraordinary Father-Son relationship.
John explicitly frames the controversy as involving equality with God, then develops that equality in function and honor in verses 19-23.
Jesus' opponents seek all the more to kill him.