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 18:10

18:10 They will stand a long way off because they are afraid of her torment, and will say,

“Woe, woe, O great city,

Babylon the powerful city!

For in a single hour your doom has come!”