Deuteronomy 4:6

4:6 Keep therefore and do them; for this is your wisdom and your understanding in the sight of the peoples, who shall hear all these statutes, and say, Surely this great nation is a wise and understanding people.
-World English Bible

Other Translation

4:6 Keep therefore and do [them]; for this [is] your wisdom and your understanding in the sight of the nations, which shall hear all these statutes, and say, Surely this great nation [is] a wise and understanding people.
-King James Version