Stephen Butterfield, who did ngondro and the other practices for yoga tantra under Chogyam Trungpa's tutelage summed it up in his memoir, The Double Mirror
Butterfield and others were greatly attracted to Trungpa via his book, Cutting Through Spiritual Materialism.
But the result when living in Trungpa's rank ordered world, with its ever higher levels of rank, practice, was, as Bu
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