Revelation 15:3

and they were singing the song of Moses, the slave of God, and the song of the Lamb: "Great and marvelous are your doings, Lord God Almighty! Upright and true are your ways, King of the Ages!

Romans 11:33-34

How inexhaustible God's resources, wisdom, and knowledge are! How unfathomable his decisions are, and how untraceable his ways!

1 Corinthians 2:10

For God revealed them to us through his Spirit, for the Spirit fathoms everything, even the depths of God himself.

Treasury of Scripture Knowledge

Summary

O LORD, how great are thy works! and thy thoughts are very deep.

Bible References

O lord

Revelation 15:3
and they were singing the song of Moses, the slave of God, and the song of the Lamb: "Great and marvelous are your doings, Lord God Almighty! Upright and true are your ways, King of the Ages!

Deep

1 Corinthians 2:10
For God revealed them to us through his Spirit, for the Spirit fathoms everything, even the depths of God himself.