Luke 1:19
And the angel answering said to him, I am Gabriel, that stand in the presence of God, and I am sent to speak to thee, and to tell thee this good news:
Luke 2:13-14
And on a sudden there was with the angel a multitude of the heavenly host,
Hebrews 6:16-17
For men swear by a greater Being, and an oath for confirmation is to them an end of all controversy.
Treasury of Scripture Knowledge
Summary
And Elijah said, As the LORD of hosts liveth, before whom I stand, I will surely shew myself unto him to day.