Pratyakṣa–Āgama–Ācāra: Doubt, Proof, and the Practice of Dharma (प्रत्यक्ष–आगम–आचारविचारः)
वीरासनरतैर्नित्यं स्थण्डिले शयनं तथा । शीततोयाग्नियोगश्न चर्तव्यो धर्मबुद्धिभि:
vīrāsanaratair nityaṃ sthaṇḍile śayanaṃ tathā | śītato-yāgni-yogaś ca kartavyo dharmabuddhibhiḥ ||
摩诃提婆言:“当恒常乐住勇士坐(vīrāsana),亦当卧于裸地。凡以法为智者,又当修‘冷水与火’之行——即随时令而行苦行:冬夜坐或立于冷水之中;雨季露天而卧;夏日炎热之时,忍受‘五火’。”
श्रीमहेश्वर उवाच
The verse teaches disciplined simplicity and seasonal austerity as a dharmic regimen: steady posture (vīrāsana), sleeping on bare ground, and practicing heat-and-cold endurance according to the seasons, cultivating self-mastery and detachment.
Śrī Mahēśvara is instructing about ascetic/forest-dweller conduct, prescribing concrete bodily disciplines and seasonal observances as part of righteous living and spiritual training.