āruhya kṛcchreṇa paraṁ padaṁ tataḥ patanty adho 'nādṛta-yuṣmad-aṅghrayaḥ' (Bhāg. 10.2.32)

aruhya krcchrena param padam tatah
patanty adho 'nadrta-yusmad-aṅghrayah'
(Bhag. 10.2.32)
In actuality the Mayavadi philosophers very strictly follow the austerities and penances of spiritual life and in this way are elevated to the impersonal Brahman platform, but due to their negligence of the lotus feet of the Lord they again fall down to material existence.