Eight qualities of a spiritual teacher of secret mantra

Eight qualities of a spiritual teacher of secret mantra - The teacher should: hold the treasury of the (1) view, (2) meditation and (3) action of secret mantra, (4) have perfected the four rivers of empowerment, (5) be skilled in presenting the teachings to students at the appropriate level, (6) be learned in the tantras and activity, (7) know how to put the instructions into practice, and (8) have gained the ‘warmth’ of experience.

--From Buddhaguhya’s Lamrim text