Shiva Purana
नापराधोस्ति देवस्य कर्मण्यपि तु निष्फले ॥ यथोक्तकारिणां पुंसामिहैव फलदर्शनात् ॥ ८ ॥
It is not the fault of the lord if the rite does not yield the fruit since it is found to yield fruit here itself for those who perform the rite exactly as ordained.
english translation
nAparAdhosti devasya karmaNyapi tu niSphale ॥ yathoktakAriNAM puMsAmihaiva phaladarzanAt ॥ 8 ॥
hk transliteration by Sanscript