Manusmriti

siva.sh/manusmriti/3/275

यद् यद् ददाति विधिवत् सम्यक् श्रद्धासमन्वितः । तत् तत् पितॄणां भवति परत्रानन्तमक्षयम् ॥ २७५ ॥

sanskrit

Whatever (a man), full of faith, duly gives according to the prescribed rule, that becomes in the other world a perpetual and imperishable (gratification) for the manes.

english translation

yad yad dadAti vidhivat samyak zraddhAsamanvitaH | tat tat pitRRNAM bhavati paratrAnantamakSayam || 275 ||

hk transliteration by Sanscript