Martin Wasserman 
Martin Buber in a Pentastich Light [EPUB ebook] 

Martin Buber, during his lifetime, often asserted that he had no doctrine to teach but likened his efforts to taking persons to a window and asking them to look outside, both broadly and deeply, so that they might again discover what they had once intuitively known about the mysterious world outside but had long since forgotten. It was by combining this Buberian emphasis on a sense of wonder with an equally strong desire on the part of Buber that some wisdom should be acquired from his writings which ultimately gave me a suitable framework for putting down on paper the collection of pentastichs that now follows.