Shiva Purana

siva.sh/siva-purana/uma-samhita/20/10

सात्त्विकं दैवतानां हि यतीनामूर्द्ध्वरेतसाम् ।। राजसं दानवानां हि मनुष्याणां तथैव च ।। तामसं राक्षसानां हि नराणां क्रूरकर्मणाम् ।। १०।।

sanskrit

The Sāttvika penance is performed by the gods and the ascetics of sublimated prowess; the Rājasa penance is by the Dānavas and human beings.

english translation

sAttvikaM daivatAnAM hi yatInAmUrddhvaretasAm || rAjasaM dAnavAnAM hi manuSyANAM tathaiva ca || tAmasaM rAkSasAnAM hi narANAM krUrakarmaNAm || 10||

hk transliteration by Sanscript