If the statement one who is a sage is a poet too is presumed to be correct logically the bagwat geeta which is purported to be written by veda vyas who was a sage can only be considered as a predictive work going by the logic of the lecturer. Then it can be safely assumed that finding fault with these works is self defeating. T. S. Eliot the first modernist ended his poem wasteland with words from the indian scriptures.