In ordinary life such glimpses are all too rare but they are not so rare as is generally believed. For their true nature may not be recognized. The external surroundings or the external situations which led to their internal appearance may disguise them so that their independent nature is not understood. Such surroundings as an impressive natural landscape or such situations as a perfectly relaxed physical body are not an absolutely indispensable condition of their existence.
-- Notebooks Category 22: Inspiration and the Overself > Chapter 4: Introduction To Mystical Glimpses > # 71