What does Jesus teach about works of necessity on the Sabbath?

In Matthew 12, Jesus defends His disciples for plucking grain on the Sabbath, arguing that their need for food justified their actions. He points to examples from Scripture, like David eating the holy bread, to illustrate that the Sabbath's laws were never intended to override basic human needs. In this, Jesus emphasizes that the principles of mercy and necessity should take precedence over rigid interpretations of the law. His teaching reestablishes the Sabbath as a day for doing good, urging believers to prioritize love and compassion as they honor God.