Joshua 9:20 in the King James Version
This we will do to them; we will even let them live, lest wrath be upon us, because of the oath which we sware unto them.
Context
19 But all the princes said to all the congregation, “We have sworn to them by the LORD, the God of Israel. Now therefore we may not touch them.
20 We will do this to them, and let them live; lest wrath be on us, because of the oath which we swore to them.”
21 The princes said to them, “Let them live.” So they became wood cutters and drawers of water for all the congregation, as the princes had spoken to them.