Pharaoh said, "Who is Yahweh, that I should listen to his voice to let Israel go? I don't know Yahweh, and moreover I will not let Israel go."
TSK
TSK · Job 21:15
Treasury of Scripture Knowledge references in WEB.
For he has said, 'It profits a man nothing that he should delight himself with God.'
who have said, "With our tongue we will prevail. Our lips are our own. Who is lord over us?"
lest I be full, deny you, and say, 'Who is Yahweh?' or lest I be poor, and steal, and so dishonor the name of my God.
I have not spoken in secret, in a place of the land of darkness. I didn't say to the seed of Jacob, 'Seek me in vain.' I, Yahweh, speak righteousness. I declare things that are right.
You say also, 'Behold, what a weariness it is!' and you have sniffed at it," says Yahweh of Armies; "and you have brought that which was taken by violence, the lame, and the sick; thus you bring the offering. Should I accept this at your hand?" says Yahweh.
"Ask, and it will be given you. Seek, and you will find. Knock, and it will be opened for you.