Hebrews 12:28-29

Wherefore since we receive a kingdom that cannot be shaken, let us have grace whereby we may serve God acceptably with reverence and holy fear:

Revelation 1:17

And when I saw Him, I fell at his feet as dead; and He laid his right hand upon me, and said to me, "Fear not,

Revelation 15:4

O Lord, and glorify thy name? for thou only art holy: and all the nations shall come and worship before thee; for thy righteous judgements are made manifest."

Treasury of Scripture Knowledge

Summary

But David could not go before it to inquire of God: for he was afraid because of the sword of the angel of the LORD.

Bible References

He was afraid

Hebrews 12:28
Wherefore since we receive a kingdom that cannot be shaken, let us have grace whereby we may serve God acceptably with reverence and holy fear:
Revelation 1:17
And when I saw Him, I fell at his feet as dead; and He laid his right hand upon me, and said to me, "Fear not,
Revelation 15:4
O Lord, and glorify thy name? for thou only art holy: and all the nations shall come and worship before thee; for thy righteous judgements are made manifest."