Shiva Purana
काम्यनैमित्तिकाजस्रकर्मसु त्रिषु संस्थिताः ॥ सर्वे तपस्विनो ज्ञेयाः सर्वे व्रतभृतस्तथा ॥ ४१ ॥
They are engaged in the three modes of material nature, namely lustful, occasional and daily activities. All of them should be understood to be ascetics and observers of vows.
english translation
kAmyanaimittikAjasrakarmasu triSu saMsthitAH ॥ sarve tapasvino jJeyAH sarve vratabhRtastathA ॥ 41 ॥
hk transliteration by Sanscript