They also that erred in spirit - (see Isaiah 29:9-10).
Shall learn doctrine - When” this would occur the prophet does not state. It “may” be intended to denote the times of Hezekiah; or the times subsequent to the captivity; or possibly it may refer to the times under the Messiah. All that the prophet teaches is, that at some future period in the history of the Jews, there would be such a reform that they should be regarded as the worthy descendants of the pious patriarch Jacob.