CC Madhya 8.153
kṣetrajñākhyā tathā parā
tṛtīyā śaktir iṣyate
viṣṇu-śaktiḥ — the potency of Lord Viṣṇu; parā — spiritual; proktā — it is said; kṣetrajña-ākhyā — the potency known as kṣetra-jña; tathā — as well as; parā — spiritual; avidyā — ignorance; karma — fruitive activities; saṁjñā — known as; anyā — other; tṛtīyā — third; śaktiḥ — potency; iṣyate — known thus.
“ ‘The original potency of Lord Viṣṇu is superior, or spiritual, and the living entity actually belongs to that superior energy. But there is another energy, called the material energy, and this third energy is full of ignorance.’
This is a quotation from the Viṣṇu Purāṇa (6.7.61).