Shiva Purana
अभक्ता मानवाश्चास्मिंल्लोके गिरिगुहासु च ॥ तपंति चाल्पभोगार्थं भक्तो भावेन मुच्यते ॥ ५८ ॥
In this world, even non-devotees perform penances in mountain caves for the enjoyment of insignificant pleasures. But only a devotee is liberated through pious feelings.
english translation
abhaktA mAnavAzcAsmiMlloke giriguhAsu ca ॥ tapaMti cAlpabhogArthaM bhakto bhAvena mucyate ॥ 58 ॥
hk transliteration by Sanscript