jāti-vidyā-mahatvaṁ ca rūpaṁ yauvanam eva ca
jāti-vidyā-mahatvaṁ ca rūpaṁ yauvanam eva ca |
yatnena parihartavyaḥ pañcaite bhakti-kaṇṭakāḥ ||
(Unknown source)
“Caste, learning, greatness, beauty, and youth are to be relinquished [i.e., one should not foster any conceit because of them]. These five are thorns for [i.e., on the path of] bhakti.”