King James Version
They have not known nor understood: for he hath shut their eyes, that they cannot see; and their hearts, that they cannot understand.English Standard Version
They know not, nor do they discern, for he has shut their eyes, so that they cannot see, and their hearts, so that they cannot understand.Catholic Public Domain Version
They have neither known nor understood. For their eyes are obscured, lest they see with their eyes and understand with their heart