In Revelation 16:15, Jesus warns to stay awake and keep garments — a direct parallel to the call to wake up in Sardis.

Revelation 2:5 calls to remember, repent, and do first works — same pattern of restoration as strengthening here.

Both are Christ's rebukes to churches in Revelation, but Revelation 2:4 focuses on lost love while 3:2 targets incomplete works.

Acts 20:28-31 has Paul warning elders to be alert and guard the flock — directly echoing the call to strengthen what remains.

Acts 18:23 records Paul strengthening disciples on his journey — the same verb and action as strengthening what remains in Revelation 3:2.

Luke 22:32 commands Peter to strengthen his brothers after turning back, directly mirroring the imperative to strengthen in Revelation 3:2.

Mark 13:33-37 repeatedly urges 'keep awake, for you do not know when the time will come' — identical vigilance theme.

Matthew 25:13 ends the ten virgins parable with 'watch therefore' — a direct call to readiness that matches the wake-up command.

Matthew 24:42-51 commands alertness and faithful service while waiting — reinforcing the wake-up and strengthen imperative.

In Matthew 23:28, they appear righteous outwardly but are full of hypocrisy—strong parallel to works that are not complete in God's sight.

Zechariah 11:16 describes a shepherd who abandons the perishing and weak — opposing the strengthening called for here.

In Daniel 5:27, Belshazzar is weighed and found wanting—the same verdict as Sardis: works not complete, deficient.

Ezekiel 34:16 has God strengthening the weak — a direct verbal and thematic echo of the command to strengthen what remains.

1 Peter 4:7 similarly calls for sober-minded vigilance because the end is near, echoing the wake-up call in Revelation 3:2.

1 Peter 5:8 commands watchfulness against a prowling adversary, reinforcing the same alertness urged in Revelation 3:2.

In 2 Chronicles 25:2, Amaziah did right but not with a whole heart—a direct parallel to works that are incomplete before God.

1 Thessalonians 5:6 urges not sleeping but watching and being sober — identical admonition to wakefulness.

2 Corinthians 13:5 calls for self-examination to prove faith — ties to strengthening works that are ready to die.

Mark 14:38 echoes the same call to watch and pray, linking spiritual vigilance with the weakness of the flesh.

1 Corinthians 16:13 commands watchfulness and strength in faith — a direct parallel to be watchful and strengthen.

John 3:21 shows that doing truth in the light makes deeds manifest — directly relevant to works being found perfect before God.

Ezekiel 34:8-10 condemns shepherds who neglect the flock — a failure to strengthen the weak, mirroring the incomplete works here.

Isaiah 62:6 depicts watchmen on Jerusalem's walls who never rest — a call to vigilance that parallels the wake-up command here.

In 1 Kings 15:3, Abijam's heart was not wholly true like David's—same image of incomplete faithfulness as in Sardis.

In 1 Kings 11:4, Solomon's heart was not wholly true to God—mirroring the 'works not complete' in Sardis, a divided devotion.

In Deuteronomy 18:13, Israel is called to be blameless before God—the standard of wholeheartedness that Sardis has fallen short of.

Isaiah 35:3 commands strengthening weak hands and feeble knees, a parallel action to strengthening what remains in Revelation 3:2.

2 Timothy 4:1-2 charges Timothy to be ready and persistent in preaching — a parallel call to diligent, unwavering ministry.