Ama shokand used to joke about it, those who tell you to combine spiritualityan materialism. That's not possible. You can't combine reality and falsity together. So the mantra is nanare navarena protasha sigea bahuda chintamana. This knowledge sotist this mantra is abou, spiritual knowledge about enlightenment. And here the commentator gives er an extensive commentary. He says, a nanarena verena proces, this spiritual knowledge, this enlightenment, is not achievable, not attainable, if it is taught by a unenlightened teacher. Or more than unenlighted.