In Luke 19:10, Jesus declares his mission to seek and save the lost — directly echoing the 'doctor for the sick' metaphor here.

Luke 9:11 shows Jesus healing those in need — a concrete display of the principle here that the sick need a physician.

In Matthew 9:12, the identical saying appears in a parallel account of the same event, reinforcing Jesus' statement.

Matthew 9:13 adds the Hosea quote 'I desire mercy, not sacrifice,' expanding Jesus' defense to include God's priority of mercy.

Mark 2:17 records the same saying in another parallel account, consistent testimony across Gospels.

In Ezekiel 34:16, God promises to care for the weak and lost—Jesus applies that shepherding role to his ministry to sinners.

Jeremiah 8:22 laments no physician for Israel's spiritual wound—echoes Jesus' metaphor of needing a doctor for the sick.