eleven special qualities of Mantrayana

According to the master Jnana Shri, Mantrayana is superior due to these eleven special qualities of Mantrayana: the skillful means of focusing on this unexcelled aim, of unexcelled practice, of unexcelled wisdom, of unexcelled exertion, of the capacity to accept all disciples without exception, of the consecration of these disturbing emotions, of swift blessings, of quick results, of the abandonment of disturbing emotions, of unexcelled attitude, and finally, the skillful means of unexcelled conduct. (JOKYAB) (RY) from The Light of Wisdom, Vol. 1, pg. 280.