Because they obeyed not the voice of the LORD their God, but transgressed his covenant, [and] all that Moses the servant of the LORD commanded, and would not hear [them], nor do [them].
Jewish Publication Society of America Version (JPS1917) - 2 Kings 18:12 >because they hearkened not to the voice of the LORD their God, but transgressed His covenant, even all that Moses the servant of the LORD commanded, and would not hear it, nor do it.