After that, Moses and Aaron went to Pharaoh and said, “This is what the LORD, the God of Israel, says: ‘Let My people go, so that they may hold a feast to Me in the wilderness.’”
Jewish Publication Society of America Version (JPS1917) - Exodus 5:1 >And afterward Moses and Aaron came, and said unto Pharaoh: 'Thus saith the LORD, the God of Israel: Let My people go, that they may hold a feast unto Me in the wilderness.'