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.
Jewish Publication Society of America Version (JPS1917) - Exodus 5:2 >And Pharaoh said: 'Who is the LORD, that I should hearken unto His voice to let Israel go? I know not the LORD, and moreover I will not let Israel go.'