Saṃhāra-krama (The Sequence of Cosmic Dissolution) — Yājñavalkya’s Discourse
पक्षान् मासानृतूंश्चैतान् संवत्सरानहस्तथा । अप: पीत्वा पयोमिश्रा योगी बलमवाप्नुयात्
pakṣān māsān ṛtūṁś caitān saṁvatsarān ahas tathā | apaḥ pītvā payomiśrā yogī balam avāpnuyāt ||
ভীষ্ম বললেন—পক্ষ, মাস, ঋতু ও বর্ষ—এই ক্রমবর্ধমান বিরতিতে নির্দিষ্ট নিয়মে দুধ-মিশ্রিত জল পান করলে যোগী ধীরে ধীরে বল লাভ করে।
भीष्म उवाच
Progressive restraint in consumption—extending intervals from daily to fortnightly, monthly, seasonal, and yearly—cultivates tapas and steadiness; through such disciplined practice the yogin attains strength (bala) and yogic capacity.
In Śānti Parva, Bhīṣma instructs on dharma and spiritual disciplines; here he describes an ascetic regimen involving drinking water mixed with milk at increasingly spaced intervals as an example of controlled austerity leading to inner power.