Revelation 3:3
Remember therefore what you have received and heard; keep it, and repent. But if you will not wake up, I will come like a thief, and you will not know at what hour I will come upon you.
Revelation 2:5
Remember then from where you have fallen, repent and do the works you did at first. If not, I will come to you and remove your lampstand from its place, unless you repent.
2 Peter 3:10
But the day of the Lord will come like a thief, in which the heavens will pass away with a roar and the elements will be destroyed with fire, and the earth and the works that are in it will be burned up.
1 Thessalonians 5:2
For you yourselves know well that the day of the Lord will come like a thief in the night.
Revelation 16:15
("Behold, I am coming like a thief! Blessed is he who stays awake and keeps his clothes with him, so that he may not go naked and be shamefully exposed.")
Matthew 25:13
Therefore keep watch, for you know neither the day nor the hour.
2 Timothy 1:13
Follow the pattern of sound words which you have heard from me, in the faith and love which are in Christ Jesus.
Matthew 24:42-43
Watch therefore, for you do not know on what day your Lord is coming.
Mark 13:33
Take heed, watch; for you do not know when the time will come.
Mark 13:36
lest, coming suddenly, he find you sleeping.
Luke 12:39-40
But know this, that if the owner of the house had known at what hour the thief was coming, he would not have allowed his house to be broken into.
1 Thessalonians 5:4-6
But you, brethren, are not in darkness so that this day should surprise you like a thief.
1 Timothy 6:20
O Timothy, guard what has been entrusted to you. Avoid godless chatter and the opposing ideas of what is falsely called knowledge,
Hebrews 2:1
Therefore we must pay more careful attention to what we have heard, lest we drift away from it.
2 Peter 1:13
I think it right, as long as I am in this body, to stir you up by way of reminder,
2 Peter 3:1
This is now the second letter that I have written to you, beloved, and in both of them I have aroused your sincere mind by way of reminder;
Revelation 2:21-22
I gave her time to repent, but she refuses to repent of her immorality.
Revelation 2:25
only hold fast what you have until I come.
Revelation 3:11
I am coming soon; hold fast to what you have, so that no one may take your crown.
Revelation 3:19
Those whom I love, I rebuke and chasten. So be zealous and repent.