Ramayana

siva.sh/ramayana/kishkindha-kanda/30/71

अर्थिनामुपपन्नानां पूर्वं चाप्युपकारिणाम् | आशां संश्रुत्य यो हन्ति स लोके पुरुषाधमः || ४-३०-७१

sanskrit

'He who, having promised to his friend to grant his desire and who, having been obliged, fails to implement the promise, is the lowest on earth. [4-30-71]

english translation

arthinAmupapannAnAM pUrvaM cApyupakAriNAm | AzAM saMzrutya yo hanti sa loke puruSAdhamaH || 4-30-71

hk transliteration by Sanscript