Leviticus 8:35
Book: Leviticus 8
And at the door of the tent of meeting shall ye abide day and night seven days, and keep the charge of Jehovah, that ye die not: for so I am commanded.
Isaiah 21:8
Book: Isaiah 21
And he cried as a lion: O Lord, I stand continually upon the watch-tower in the day-time, and am set in my ward whole nights;