Deuteronomy 23:23

  23 H4161 That which is gone out H8193 of thy lips H8104 thou shalt keep [H8799]   H6213 and perform [H8804]   H5071 ; even a freewill offering H5087 , according as thou hast vowed [H8804]   H3068 unto the LORD H430 thy God H1696 , which thou hast promised [H8765]   H6310 with thy mouth.