Exodus 5:4 ASV

²  And Pharaoh said, Who is Jehovah, that I should hearken unto his voice to let Israel go? I know not Jehovah, and moreover I will not let Israel go.

³  And they said, The God of the Hebrews hath met with us: let us go, we pray thee, three days' journey into the wilderness, and sacrifice unto Jehovah our God, lest he fall upon us with pestilence, or with the sword.

⁴  And the king of Egypt said unto them, Wherefore do ye, Moses and Aaron, loose the people from their works? get you unto your burdens.

⁵  And Pharaoh said, Behold, the people of the land are now many, and ye make them rest from their burdens.

⁶  And the same day Pharaoh commanded the taskmasters of the people, and their officers, saying,