Mahāprajñāpāramitā Sūtra

...without two divisions, undifferentiated, and unbroken. Subhuti, the purity of that which is produced by the mind is the purity of the enlightenment of a solitary realizer pratyekabuddha. The purity of the enlightenment of a solitary realizer 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 enlightenment of a solitary realizer 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 conduct of all Bodhisattva-mahāsattvas. The purity of the conduct of all Bodhisattva-mahāsattvas 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 conduct of all Bodhisattva-mahāsattvas 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 supreme, perfect enlightenment of all Buddhas. The purity of the supreme, perfect enlightenment of all Buddhas 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 supreme, perfect enlightenment of all Buddhas are non-dual, without two divisions, undifferentiated, and unbroken.

Furthermore, Subhuti, the purity of the 'youthful one' referring to the Buddha or a bodhisattva, often implying purity or primordial nature is the purity of form. The purity of form is the purity of the 'youthful one'. Why? Because the purity of the 'youthful one'...