Matthew 18:12
How think ye? if a man have an hundred sheep, and one of them be gone astray, doth he not leave the ninety and nine, and goeth into the mountains, and seeketh that which is gone astray?
Cross-reference
Matthew 12:11 uses a similar sheep-in-danger scenario to argue for doing good on the Sabbath, echoing the rescue theme.
Psalm 119:176 uses the same 'lost sheep' metaphor and asks God to seek—directly parallel to the shepherd seeking the stray.
Isaiah 53:6 describes all people as straying sheep, emphasizing the universal need for a shepherd—parallel to the lost sheep.
Jeremiah 50:6 also pictures God's people as lost sheep led astray by false shepherds, reinforcing the lost sheep imagery.
Ezekiel 34:6 describes sheep scattered with none to seek them — the very problem the shepherd in Matthew 18:12 addresses.
Ezekiel 34:12 directly parallels: 'As a shepherd seeks out his flock... so will I seek out my sheep.' God as seeking shepherd.
Ezekiel 34:16 has God declaring He will seek the lost and bring back the strayed—a direct parallel to the shepherd's action.
Luke 15:4-7 tells the same lost sheep parable, emphasizing the joy of finding the lost—direct parallel.
In 1 Peter 2:25, the same straying-sheep imagery describes believers returning to Christ the Shepherd, echoing the seeking of the lost.
Ezekiel 34:4 condemns shepherds for not seeking the strayed — contrasting the good shepherd who seeks the lost.
Galatians 6:1 urges restoring a fallen brother in gentleness — the same restorative care as seeking the lost sheep.
Deuteronomy 22:1 commands restoring a neighbor's straying animal — a legal parallel to the shepherd's care for the lost sheep.
John 10:11 presents Jesus as the good shepherd who lays down his life—a related shepherd metaphor but focusing on sacrifice rather than seeking.