Exodus 5:3-7

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

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

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

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

Ye shall no more give the people straw to make brick, as heretofore: let them go and gather straw for themselves.