Mahāprajñāpāramitā Sūtra

...emptiness, internal emptiness, internal and external emptiness, great emptiness, emptiness of ultimate reality, emptiness of conditioned phenomena, emptiness of unconditioned phenomena, emptiness of the ultimate, emptiness of the beginningless, emptiness of dispersion, emptiness of non-variance, emptiness of essential nature, emptiness of self-characteristics, emptiness of common characteristics, emptiness of all phenomena, emptiness of non-attainability, emptiness of non-nature, emptiness of self-nature, and the emptiness of the self-nature of non-nature. The purity of external emptiness up to the emptiness of the self-nature of non-nature 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 external emptiness up to the emptiness of the self-nature of non-nature are non-dual, without two divisions, undifferentiated, and unbroken. Subhuti, the purity of that which is produced by the mind is the purity of suchness. The purity of suchness 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 suchness are non-dual, without two divisions, undifferentiated, and unbroken. The purity of that which is produced by the mind is the purity of the realm of phenomena, the reality-limit, the non-falsehood, the non-variance, the equality, the separation from birth, the fixed reality, the abiding of reality, the true end, the realm of space, and the inconceivable realm. The purity of the realm of phenomena up to the inconceivable realm is the purity of that which is produced by the mind. Why? Because...