Mahabharat
ऐश्वर्यं पराप्य दुष्प्रापं परियं पराप्य च राजतः अप्रमत्तॊ भवेद राज्ञः परियेषु च हितेषु च ॥ ४-४-२६ ॥
'And, O Bharata, when one obtains the king’s favor and gains wealth — both difficult to acquire — he should ever act in ways that are both pleasing and beneficial to the monarch.' ॥ 4-4-26 ॥
english translation
aizvaryaM parApya duSprApaM pariyaM parApya ca rAjataH apramattò bhaveda rAjJaH pariyeSu ca hiteSu ca ॥ 4-4-26 ॥
hk transliteration by Sanscript