Mahabharata 12.298.10
अष्टौ प्रकृतयः प्रोक्ता विकाराश्चापि षोडशअथ सप्त तु व्यक्तानि प्राहुरध्यात्मचिन्तकाः
aṣṭau prakṛtayaḥ proktā vikārāścāpi ṣoḍaśaatha sapta tu vyaktāni prāhuradhyātmacintakāḥ
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book