The key to closing the mind lies in the manas. When the manas is properly dealt with, the six consciousnesses will not crave and cling to feeling, perception, volitional formations, and consciousness, and thus afflictions and attachments can be eradicated. The key to practice is the manas—He is the great gate and master switch of all dharmas. Once the manas ceases, all dharmas become tranquil: no affairs, no mind; no mind, no realms—nirvāṇa in tranquility.
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