Mark 13:33
Keep looking, keep alert, for you do not know when the time will be.
Ephesians 6:18
Keep on praying in the Spirit, with every kind of prayer and entreaty, at every opportunity, be ever on the alert with perfect devotion and entreaty for all God's people,
Matthew 24:42-44
So keep on watching, for you do not know on what day your Lord is coming.
Matthew 25:13
So you must keep on watching, for you do not know either the day or the hour.
Matthew 26:40-41
Then He came back to the disciples and found them asleep. He said to Peter, "Could you not then watch with me a single hour?
Mark 13:23
So you must be on your guard. I have warned you about it all beforehand.
Mark 13:35-37
So you must keep alert, for you do not know when the master of the house is coming -- in the evening or at midnight or at daybreak or early in the morning --
Mark 14:37-38
And He went back and found them asleep, and He said to Peter, "Simon, are you asleep? Could you not watch a single hour?
Luke 12:40
So you, too, must always be ready, for at an hour that you are not expecting, the Son of Man will come."
Luke 21:34-36
But ever be on your guard, so that your hearts may not be loaded down with self-indulgence, drunkenness, and worldly worries, and that day, like a trap, catch you unawares.
Romans 13:11-12
Do this in particular because you know the present crisis, that it is high time for you to wake up out of your sleep, for our salvation is now nearer to us than when we first believed.
Romans 13:14
Instead, put on the Lord Jesus Christ, and put a stop to gratifying the evil desires that lurk in your lower nature.
1 Corinthians 16:13
Be always on your guard; stand firm in your faith; keep on acting like men; continue to grow in strength;
1 Thessalonians 5:5-8
for you are all sons of the light and sons of the day. We do not belong to the night or the darkness.
Hebrews 12:15
Continue to look after one another, that no one fails to gain God's spiritual blessing; or some evil like a bitter root may spring up and trouble you, and many of you be contaminated by it --
1 Peter 4:7
But the end of everything on earth is near. So be serious and sober minded, that you may give yourselves to prayer.
1 Peter 5:8
Be calm and alert. Your opponent the devil is always prowling about like a roaring lion, trying to devour you.
Revelation 3:2
Wake up, and strengthen what is left, although it is on the very point of dying, for I have not found a thing that you have done complete in the sight of God.
Revelation 16:15
(See! I am coming like a thief! Blessed is he who stays awake and keeps his clothes ready, so that he may not go naked and people see his shame.)