Manusmriti
यथा कथं चित् पिण्डानां तिस्रोऽशीतीः समाहितः । मासेनाश्नन् हविष्यस्य चन्द्रस्यैति सलोकताम् ॥ २२० ॥
He who, concentrating his mind, eats during a month in any way thrice eighty mouthfuls of sacrificial food, dwells (after death) in the world of the moon.
english translation
yathA kathaM cit piNDAnAM tisro'zItIH samAhitaH । mAsenAznan haviSyasya candrasyaiti salokatAm ॥ 220 ॥
hk transliteration by Sanscript