When I went up on the mountain to receive the tablets of stone, the tablets of the covenant that the LORD made with you, I stayed on the mountain forty days and forty nights. I ate no bread and drank no water.
Jewish Publication Society of America Version (JPS1917) - Deuteronomy 9:9 >When I was gone up into the mount to receive the tables of stone, even the tables of the covenant which the LORD made with you, then I abode in the mount forty days and forty nights; I did neither eat bread nor drink water.