Manusmriti

siva.sh/manusmriti/2/228

तयोर्नित्यं प्रियं कुर्यादाचार्यस्य च सर्वदा । तेष्वेव त्रिषु तुष्टेषु तपः सर्वं समाप्यते ॥ २२८ ॥

sanskrit

Let him always do what is agreeable to those (two) and always (what may please) his teacher; when those three are pleased, he obtains all (those rewards which) austerities (yield).

english translation

tayornityaM priyaM kuryAdAcAryasya ca sarvadA | teSveva triSu tuSTeSu tapaH sarvaM samApyate || 228 ||

hk transliteration by Sanscript