Esias 21:6

6 For thus said the Lord to me, Go and station a watchman for thyself, and declare whatever thou shalt see.

Esias 21:6 In-Context

4 My heart wanders, and transgression overwhelms me; my soul is occupied with fear.
5 Prepare the table, eat, drink: arise, ye princes, and prepare shields.
6 For thus said the Lord to me, Go and station a watchman for thyself, and declare whatever thou shalt see.
7 And I saw two mounted horsemen, and a rider on an ass, and a rider on a camel.
8 Hearken with great attention, and call thou Urias to the watch-tower: the Lord has spoken. I stood continually during the day, and I stood in the camp all night:

The Brenton translation of the Septuagint is in the public domain.