Shiva Purana

siva.sh/siva-purana/uma-samhita/44/89

क्वचित्पर्णाशनो भूत्त्वा फलशाकाशनः क्वचित् ।। वातभुग्जलभुक्क्वापि क्वचिन्निरशनव्रती ।। ८९ ।।

sanskrit

Sometimes he took in only leaves, sometimes he lived on fruit and vegetable diet, sometimes on wind or water and sometimes he observed complete fast and performed the sacred rites.

english translation

kvacitparNAzano bhUttvA phalazAkAzanaH kvacit || vAtabhugjalabhukkvApi kvacinnirazanavratI || 89 ||

hk transliteration by Sanscript