John 16:3

And they will do these things because they have failed to recognize the Father and to discover who I am.

Romans 1:28

And just as they had refused to continue to have a full knowledge of God, so it was to utterly worthless minds that God gave them up, for them to do things which should not be done.

2 Thessalonians 1:8

He will come in flames of fire to take vengeance on those who have no knowledge of God, and do not obey the Good News as to Jesus, our Lord.

Treasury of Scripture Knowledge

Summary

And Pharaoh said, Who is the LORD, that I should obey his voice to let Israel go? I know not the LORD, neither will I let Israel go.

Bible References

I know not

John 16:3
And they will do these things because they have failed to recognize the Father and to discover who I am.
Romans 1:28
And just as they had refused to continue to have a full knowledge of God, so it was to utterly worthless minds that God gave them up, for them to do things which should not be done.
2 Thessalonians 1:8
He will come in flames of fire to take vengeance on those who have no knowledge of God, and do not obey the Good News as to Jesus, our Lord.