Mark 13:35-37 (ESV)

“Therefore stay awake—for you do not know when the master of the house will come, in the evening, or at midnight, or when the rooster crows, or in the morning— lest he come suddenly and find you asleep. And what I say to you I say to all: Stay awake.”

The Watchman
Moritz von Schwind (Austrian, 1804-1871)