Revelation 3:3

1 Thessalonians 5:2 NIV
for you know very well that the day of the Lord will come like a thief in the night.

2 Peter 3:10 NIV
But the day of the Lord will come like a thief. The heavens will disappear with a roar; the elements will be destroyed by fire, and the earth and everything done in it will be laid bare.

Revelation 2:5 NIV
Consider how far you have fallen! Repent and do the things you did at first. If you do not repent, I will come to you and remove your lampstand from its place.