In most of the other affairs of life we find it necessary to use the services of specialists. Just so, here. We surrender our body to the surgeon. We must surrender our mind to the spiritual guide. Both, if incompetent or unscrupulous, may maim us for life. It is of the greatest importance therefore to exercise right judgement in the choice of one or the other.
-- Notebooks Category 1: Overview of the Quest > Chapter 6: Student-Teacher > # 148