God is a consuming fire who should be feared - Hebrews 12:29
He is God who wants us to love him and not idols - Deuteronomy 4:24
God is a blessed and only Ruler, king of kings and lord of Lords - 1 Timothy 6:15
Our problem is that we think God is like us
My thoughts are not your thoughts - Isaiah 55:8
Societies throughout history have developed their own relgions based off God's which human resemblance:
Our Father is without blemish or stain
In fact many can say, if God is like my father, I want nothing to do with Him
God appeared to Ezekiel in blazing fire and he fell facedown - Ezekiel 1:27-28
John saw Jesus with eyes of blazing fire and fell at his feet as though he was dead - Revelation 1:14-16T
The paradox of God: He says to not be afraid but at the same time to have a humble, contrite spirit - Isaiah 66:2
When a holy God confronts sinful humans, the only result can be fear and trembling