Revelation 3:3

3:3 Therefore, remember what you received and heard, and obey it, and repent. If you do not wake up, I will come like a thief, and you will never know at what hour I will come against you.

Revelation 16:15

16:15 (Look! I will come like a thief!

Blessed is the one who stays alert and does not lose his clothes so that he will not have to walk around naked and his shameful condition be seen.)