ge, realizes through direct knowledge whatever phenomena are to be realized through direct knowledge, and develops through direct knowledge whatever phenomena are to be developed through direct knowledge." Note 1. These four categories correspond roughly to the four noble truths and their respective duties. See SN 56:11. These same four categories, listed in a different order, are also found in MN 149. Some scholars have interpreted MN 149 as an explanation of the path that does not include the practice of jhṅna, but the explanation here shows that all eight factors of the path need to be developed in order to properly fulfill the duties with regard to these four categories. - --> - - - -