Again, the suttas provide a simile: Suppose there was a deep lake whose waters welled up from below, it would have no inlet for the water from the East, West, North or South, nor would it be refilled from time to time with showers of rain. And yet a current of cool water welling up from within the lake would drench, steep, saturate and suffuse the whole lake so that there would be no part of that entire lake which is not suffused with the cool water. In the same way, one drenches, steeps, saturates, and suffuses one’s body with the rapture and happiness born of concentration, so that there is
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