Fifty Stanzas on the Spiritual Teacher (formerly titled Fifty Stanzas on Guru Devotion) by Aryashura is an indispensable text that deals with how to cultivate the proper relationship between a student and his or her Spiritual Teacher. This text along with the oral commentary by Geshe Ngawang Dhargyey have been ably translated by the LTWA translation bureau and revised by Dr. Alex Berzin.