Ramayana
देवतानां पितृणां कर्तव्यं विधिपूर्वकम् । प्राप्तानामतिथीनां च नित्यशः प्रतिपूजनम् ॥ २-२८-१४
One has to worship gods and ancestors according to tradition and extend hospitality to guests, (who arrive unexpectedly). [2-28-14]
english translation
devatAnAM pitRNAM kartavyaM vidhipUrvakam । prAptAnAmatithInAM ca nityazaH pratipUjanam ॥ 2-28-14
hk transliteration by Sanscript