Puṣkara-Śapatha Itihāsa (Agastya–Indra Dispute at the Tīrthas) | पुष्कर-शपथ-आख्यानम्
त्यागस्य चापि सम्पत्ति: शिष्यते तप उत्तमम् | सदोपवासी च भवेद् ब्रह्मचारी तथैव च
tyāgasya cāpi sampattiḥ śiṣyate tapa uttamam | sadopavāsī ca bhaved brahmacārī tathaiva ca ||
Bhīṣma berkata: “Kekayaan sejati daripada pelepasan (tyāga) diajarkan sebagai tapas yang tertinggi. Hendaklah seseorang hidup dengan pengekangan diri yang berterusan dalam hal makanan, dan demikian juga kekal sebagai brahmacārin—berdisiplin dalam selibat dan tingkah laku.”
भीष्म उवाच
Bhīṣma frames renunciation as a real spiritual ‘wealth’ and identifies the highest tapas as disciplined self-restraint—especially control of appetite (upavāsa) and celibate, regulated conduct (brahmacarya).
In Anuśāsana Parva, Bhīṣma continues instructing Yudhiṣṭhira on dharma. Here he emphasizes ascetic disciplines as practical expressions of renunciation, presenting fasting and brahmacarya as exemplary vows.