2 Kings 18:12

Because they obeyed not the voice of the Lord
In his law, and by his prophets:

but transgressed his covenant, and all that Moses the servant of the
Lord commanded;
which evils are at large insisted on in the preceding chapter as the cause of their captivity:

and would not hear them, nor do them;
contrary to the agreement of their fathers at Sinai, who promised to do both, ( Exodus 24:3 Exodus 24:7 ) .