Exodus 5:2

5:2 But Pharaoh said, “Who is the Lord that I should obey him by releasing Israel? I do not know the Lord, and I will not release Israel!”

Psalms 12:4

12:4 They say, “We speak persuasively;

we know how to flatter and boast.

Who is our master?”

Proverbs 30:9

30:9 lest I become satisfied and act deceptively

and say, “Who is the Lord?”

Or lest I become poor and steal

and demean the name of my God.

Hosea 13:6

13:6 When they were fed, they became satisfied;

when they were satisfied, they became proud;

as a result, they forgot me!