Letting go (n.) cannot be tried, because trying is precisely not letting go.
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Letting go (n.) of the mind replaces purifying it, since the mind is nothing to be grasped; thoughts come and go, neither repressed, held, nor interfered with.
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Letting go (n.) is easily misread as an utter denial of life, and Nirvana as a state infinitely remote from earthly concerns.
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Letting go (n.) is the only way to "have" running water — and the same is true of life and of God.
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Letting go (n.) takes no effort once you let the mind think what it likes — including its urge to interfere with itself; that vanished effort is the vanished ego.