Acts 17:29

Since then we are God's offspring, we ought not to suppose that His nature is like gold or silver or stone or anything carved by man's art and thought.

Colossians 1:15

Yes, He is the exact likeness of the unseen God, His first-born Son who existed before any created thing,

Hebrews 1:3

He is the reflection of God's glory and the perfect representation of His being, and continues to uphold the universe by His mighty word. After He had procured man's purification from sins, He took His seat at the right hand of God's majesty,

Treasury of Scripture Knowledge

Summary

To whom then will ye liken God? or what likeness will ye compare unto him?

Bible References

General references

Acts 17:29
Since then we are God's offspring, we ought not to suppose that His nature is like gold or silver or stone or anything carved by man's art and thought.
Colossians 1:15
Yes, He is the exact likeness of the unseen God, His first-born Son who existed before any created thing,
Hebrews 1:3
He is the reflection of God's glory and the perfect representation of His being, and continues to uphold the universe by His mighty word. After He had procured man's purification from sins, He took His seat at the right hand of God's majesty,