Matthew 24:42
Watch therefore: for ye know not what hour your Lord doth come.
Cross-reference
Matthew 24:44 restates the command: be ready because the Son of Man comes at an unexpected hour.
Matthew 24:36 explains why watchfulness is commanded: no one knows the day or hour of the Lord's coming.
Matthew 24:50 illustrates the warning: the master comes on an unexpected day, punishing the unprepared servant.
Matthew 25:13 repeats the same command to watch — same wording, same warning about unknown timing.
Matthew 26:38 uses the same 'keep watch' command in Gethsemane — a call to alertness in prayer, while 24:42 is about eschatological readiness.
Revelation 16:15 echoes the same call to stay awake and keep one's garments, reinforcing the sudden coming like a thief.
Revelation 3:3 directly uses the thief metaphor: 'I will come like a thief, you will not know the time.'
1 Peter 4:7 ties alertness to the nearness of the end, same eschatological urgency.
1 Thessalonians 5:6 contrasts sleep and wakefulness, directly echoing the watchfulness theme.
Romans 13:11 applies the same urgency: wake from slumber because our salvation is nearer now.
Luke 21:36 adds prayer to the watch command, urging readiness to stand before the Son of Man.
Luke 12:35-40 parallels this with servants waiting for their master's return from a wedding.
Mark 13:33-37 expands the watch command with the doorkeeper parable, applying it to all.
In Luke 12:40, the same command to be ready appears — both emphasize not knowing the hour of the Son's coming.
Luke 12:37 blesses servants found awake when the master returns, reinforcing the call to readiness.
1 Thessalonians 5:2 uses the 'thief in the night' image for the day of the Lord, echoing the watchfulness theme here.
2 Peter 3:10 also says the day of the Lord comes like a thief, reinforcing the call to watch.
Mark 13:35 repeats the warning to stay awake, not knowing when the master of the house will come.
Mark 14:38 parallels the watch command but applies it to spiritual vigilance against temptation, not the parousia.
1 Corinthians 16:13 generalizes the call to be on guard and stand firm in the faith.