Mahāprajñāpāramitā Sūtra

...is the purity of all gates of dhāraṇī mnemonic formulas. The purity of all gates of dhāraṇī is the purity of that which is produced by the mind. Why? Because the purity of that which is produced by the mind and the purity of all gates of dhāraṇī are non-dual, without two divisions, undifferentiated, and unbroken.

The purity of that which is produced by the mind is the purity of all gates of samādhi meditative concentration. The purity of all gates of samādhi is the purity of that which is produced by the mind. Why? Because the purity of that which is produced by the mind and the purity of all gates of samādhi are non-dual, without two divisions, undifferentiated, and unbroken.

Subhuti, the purity of that which is produced by the mind is the purity of the fruit of the stream-winner. The purity of the fruit of the stream-winner is the purity of that which is produced by the mind. Why? Because the purity of that which is produced by the mind and the purity of the fruit of the stream-winner are non-dual, without two divisions, undifferentiated, and unbroken.

The purity of that which is produced by the mind is the purity of the fruits of the once-returner, the non-returner, and the arhat. The purity of the fruits of the once-returner, the non-returner, and the arhat is the purity of that which is produced by the mind. Why? Because the purity of that which is produced by the mind and the purity of the fruits of the once-returner, the non-returner, and the arhat are non-dual, without two divisions...