Hebrews 12:28-29

Therefore, since we are receiving a kingdom that cannot be shaken, let us be thankful, and offer to God acceptable worship with reverence and awe,

Revelation 1:17

And when I saw him, I fell at his feet as though dead. But he laid his right hand on me, saying, "Do not be afraid. I am the First and the Last,

Revelation 15:4

Who will not fear, O Lord, and glorify your name? For you alone are holy. All the nations will come and worship before you, for your righteous acts have been revealed."

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
Therefore, since we are receiving a kingdom that cannot be shaken, let us be thankful, and offer to God acceptable worship with reverence and awe,
Revelation 1:17
And when I saw him, I fell at his feet as though dead. But he laid his right hand on me, saying, "Do not be afraid. I am the First and the Last,
Revelation 15:4
Who will not fear, O Lord, and glorify your name? For you alone are holy. All the nations will come and worship before you, for your righteous acts have been revealed."