It could be said that to put fine points upon these three Sanskrit words which are used so loosely today might be helpful to students. First, the word guru applies to one who opens the eyes of those who are spiritually blind. The title swami applies to one who provides spiritual teaching for the ignorant. The term acharya applies to one who provides the best example of spiritual conduct.
-- Notebooks Category 15: The Orient > Chapter 2: India > # 266
-- Perspectives > Chapter 15: The Orient > # 42