Because

Ezekiel 28:2
"Son of man, tell the ruler of Tyre that this is what the Lord GOD says: 'Your heart is proud, and you have said, "I am a god; I sit in the seat of gods in the heart of the sea." Yet you are a man and not a god, though you have regarded your heart as that of a god.

Exodus 9:17
Still, you lord it over My people and do not allow them to go.

Job 9:4
God is wise in heart and mighty in strength. Who has hardened himself against Him and prospered?

Job 40:9-12
Do you have an arm like God's? Can you thunder with a voice like His? . . .

1 Corinthians 10:22
Are we trying to provoke the Lord to jealousy? Are we stronger than He?

2 Thessalonians 2:4
He will oppose and exalt himself above every so-called god or object of worship. So he will seat himself in the temple of God, proclaiming himself to be God.

James 1:11
For the sun rises with scorching heat and withers the plant; its flower falls and its beauty is lost. So too, the rich man will fade away in the midst of his pursuits.