1 Thessalonians 5:2
for you very well know, that the day of the Lord steals on like a thief in the night.
2 Peter 3:10
As for that day of the Lord, it will advance like a thief: then the heavens will rush with violence, the boiling elements will be dissolved, and the earth with all its contents, shall be burnt away.
Revelation 3:3
remember therefore what thou hast received and heard: observe it and repent. if therefore thou art not vigilant, I will come upon thee as a thief, thou shalt not know what hour I will come upon thee.
Revelation 16:15
"I shall come with surprize, happy he that is upon the watch, and keepeth his garments pure, that his vices may not put him to shame."
Matthew 24:42-44
watch therefore, for ye know not at what hour your Lord shall come.
Matthew 25:13
watch therefore, for ye know neither the day nor the hour.
Mark 13:34-35
when a man travels into foreign parts, he leaves his goods in charge to his servants, he appoints to every one his task, and orders the porter to be vigilant,
Luke 12:39-40
if the master of a house knew at what hour the thief would come, no doubt he would be on his guard, and not suffer him to break into his house.
1 Corinthians 1:8
and God will confirm you to the end, that ye may be unaccused in the day of our Lord Jesus Christ.