Hebrews 12:28-29

Wherefore since we are receiving a kingdom which is unshakable, let us give thanks, and so offer acceptable worship to God, with holy awe and fear,

Revelation 1:17

When I saw him, I fell at his feet as one dead. And he laid his right hand upon me, saying. "Fear not; I am the first and the last, and the Living One.

Revelation 15:4

Who shall not fear, O Lord, And glorify thy name? For thou only art holy. For all the nations shall come and worship before thee; For thy righteous acts have been made evident."

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 are receiving a kingdom which is unshakable, let us give thanks, and so offer acceptable worship to God, with holy awe and fear,
Revelation 1:17
When I saw him, I fell at his feet as one dead. And he laid his right hand upon me, saying. "Fear not; I am the first and the last, and the Living One.
Revelation 15:4
Who shall not fear, O Lord, And glorify thy name? For thou only art holy. For all the nations shall come and worship before thee; For thy righteous acts have been made evident."