Acts 17:23

For as I was going about, looking at your sacred shrines, I came upon an altar with this inscription--'To an Unknown God.' What, therefore, you worship in ignorance, that I am now proclaiming to you.

Romans 2:17-2

But, perhaps, you bear the name of 'Jew,' and are relying upon Law, and boast of belonging to God, and understand his will,

Treasury of Scripture Knowledge

Summary

{To the chief Musician on Neginoth, A Psalm or Song of Asaph.} In Judah is God known: his name is great in Israel.

Bible References

In judah

Acts 17:23
For as I was going about, looking at your sacred shrines, I came upon an altar with this inscription--'To an Unknown God.' What, therefore, you worship in ignorance, that I am now proclaiming to you.
Romans 2:17
But, perhaps, you bear the name of 'Jew,' and are relying upon Law, and boast of belonging to God, and understand his will,
Romans 3:1
What is the advantage, then, of being a Jew? or what is the good of circumcision?