Revelation 15:3

and they sang the song of Moses, the servant of God, and the song of the Lamb, saying, "Great and marvelous are your deeds, O Lord God the Almighty! Just and true are your ways, O King of the ages!

Romans 11:33-34

Oh, the depth of the riches and of the wisdom and knowledge of God! How unsearchable are his judgments and his ways past finding out!

1 Corinthians 2:10

God has revealed them to us through the Spirit. For the Spirit searches all things, even the depths of God.

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 sang the song of Moses, the servant of God, and the song of the Lamb, saying, "Great and marvelous are your deeds, O Lord God the Almighty! Just and true are your ways, O King of the ages!

Deep

1 Corinthians 2:10
God has revealed them to us through the Spirit. For the Spirit searches all things, even the depths of God.