Luke 18:3 introduces the widow's persistent plea — the very faith in action that Luke 18:8 questions if it will be found at the Son's return.

Luke 17:26 compares the Son of Man's coming to Noah's day — highlighting unpreparedness, which connects to the question of finding faith.

2 Peter 3:9 shows God's patience for repentance, explaining why the Son of Man's coming may be delayed—the context for the question about faith here.

2 Peter 3:8 reveals God's different perspective on time—a day like a thousand years—clarifying how God's 'quickly' here may not match human expectations.

James 5:7-8 exhorts patience until the Lord's coming, echoing the question of finding faith at Christ's return and linking to the same eschatological hope.

Matthew 24:9-13 describes widespread apostasy before the end, directly answering why faith may be scarce when the Son of Man returns here.

Matthew 24:24 warns that false signs could deceive even the elect, explaining the threat to faith that the Son of Man may not find here.

Psalm 9:12 affirms that God avenges blood and does not forget the cry of the afflicted—a direct parallel to the widow's plea and God's promise of justice.

James 5:7 calls for patience until the Lord's coming, directly paralleling the question of faith when the Son of Man appears.

Hebrews 10:37 echoes the promise of Christ's imminent return, reinforcing the call for patient faith until the Son of Man comes.

Habakkuk 2:3 urges patient waiting for God's appointed time — directly addressing the delay that tests faith, as in the parable of the persistent widow.

Revelation 6:10 cries out for divine justice, echoing the persistent widow's plea and the longing for the Son of Man's coming.

Proverbs 20:6 echoes the same lament: many claim loyalty but true faithfulness is rare — mirroring the question of finding faith at Christ's return.

1 Thessalonians 5:1-3 describes the day of the Lord coming suddenly like a thief, paralleling the unexpected nature of the Son of Man's coming here.

Hebrews 10:23-26 urges holding fast faith and not forsaking assembly as the Day approaches, directly reinforcing the need for perseverance until Christ's return.

Deuteronomy 32:20 describes a generation with no faithfulness, causing God to hide his face—an OT parallel to the lack of faith that the Son of Man may encounter.

Jeremiah 15:15 pleads for vindication against persecutors — similar to the widow's cry, highlighting the need for persistent faith until justice comes.

Isaiah 40:27 voices the cry of despair over God's seeming delay — the very complaint that the persistent widow's faith overcomes.

2 Peter 2:3 says destruction is not sleeping—judgment is imminent—paralleling the swift justice God promises for his chosen ones here.

Psalm 10:18 declares God will do justice for the fatherless and oppressed, mirroring the parable's theme of God vindicating his elect before the Son of Man comes.

Deuteronomy 32:35 declares God's vengeance day is at hand, connecting to the coming of the Son of Man as a time of judgment and recompense.