"Patanjali tells us that the "... local deities will assail such a Yogi [one who is only in the rudimentary stage], and will endeavor to divert him from the religious abstraction which he has attained, by bringing before him sensual gratifications, or by exciting in his mind thoughts of personal aggrandizement, but he should partake of these gratifications without interest, for if these deities succeed in exciting desire in the mind, he will be thrown back to all the evils...""