Adhyāya 214: Tapas Redefined—Perpetual Discipline, Hospitality, and the Ethics of Eating (तपः-निरूपणम्, विघसाशी-अतिथिप्रिय-धर्मः)
यदिदं ब्रह्मणो रूप॑ ब्रह्मचर्यमिति स्मृतम् परं तत् सर्वधर्मेभ्यस्तेन यान्ति परां गतिम्
This virtue called brahmacarya is remembered in the scriptures as the very form of Brahman. It is higher than all dharmas. By observing brahmacarya, people attain the supreme state.
भीष्म उवाच