Mahabharat

siva.sh/mahabharat/adi-parva/3/81

स तथेत्य उक्त्वा गुरु कुले दीर्घकालं गुरुशुश्रूषणपरॊ ऽवसत गौर इव नित्यं गुरुषु धूर्षु नियुज्यमानः शीतॊष्णक्षुत तृष्णा दुःखसहः सर्वत्राप्रतिकूलः ।। १-३-८१ ।।

sanskrit

'He, having thus been instructed, resided in his teacher's household for an extended period, dedicated to serving his preceptor. Like a cow constantly engaged in grazing, enduring cold and heat, hunger and thirst, he remained unfazed by adversity, adaptable in all situations." ।। 1-3-81 ।।

english translation

sa tathetya uktvA guru kule dIrghakAlaM guruzuzrUSaNaparò 'vasata gaura iva nityaM guruSu dhUrSu niyujyamAnaH zItòSNakSuta tRSNA duHkhasahaH sarvatrApratikUlaH || 1-3-81 ||

hk transliteration by Sanscript