Śaṅkara (attrib.): Praśnottara-ratnamālikā 43

कस्मात्सिद्धिस्तपसो बुद्धिः क्व नु भूसुरे कुतो बुद्धिः। वृद्धोपसेवया के वृद्धा ये धर्मतत्त्वज्ञाः

kasmātsiddhistapaso buddhiḥ kva nu bhūsure kuto buddhiḥ| vṛddhopasevayā ke vṛddhā ye dharmatattvajñāḥ

Roman (IAST) transliteration rendered by HREEM from the edition's Devanagari; the Devanagari is the edition's own.

Sanskrit only: no published translation is held for this verse.