18 Then once again I fell prostrate before the LORD for forty days and forty nights; I ate no bread and drank no water, because of all the sin you had committed, doing what was evil in the LORD’s sight and so arousing his anger.

Read Deuteronomy 9:18 Using Other Translations

And I fell down before the LORD, as at the first, forty days and forty nights: I did neither eat bread, nor drink water, because of all your sins which ye sinned, in doing wickedly in the sight of the LORD, to provoke him to anger.
Then I lay prostrate before the LORD as before, forty days and forty nights. I neither ate bread nor drank water, because of all the sin that you had committed, in doing what was evil in the sight of the LORD to provoke him to anger.
“Then, as before, I threw myself down before the LORD for forty days and nights. I ate no bread and drank no water because of the great sin you had committed by doing what the LORD hated, provoking him to anger.