Manusmriti

siva.sh/manusmriti/7/38

वृद्धांश्च नित्यं सेवेत विप्रान् वेदविदः शुचीन् । वृद्धसेवी हि सततं रक्षोभिरपि पूज्यते ॥ ३८ ॥

sanskrit

Let him daily worship aged Brahmanas who know the Veda and are pure; for he who always worships aged men, is honoured even by Rakshasas.

english translation

vRddhAMzca nityaM seveta viprAn vedavidaH zucIn | vRddhasevI hi satataM rakSobhirapi pUjyate || 38 ||

hk transliteration by Sanscript