Shiva Purana
वेदशास्त्रं समादाय बुद्ध्वा गुरुमुखात्स्वयम् । कर्मणां फलमस्तीति बुद्धिरास्तिक्यमुच्यते ५५ ।
Theism is that feeling in which one fully realises that all actions are fruitful. It is necessary that Vedas and sacred texts should be learnt direct from preceptors.
english translation
vedazAstraM samAdAya buddhvA gurumukhAtsvayam । karmaNAM phalamastIti buddhirAstikyamucyate 55 ।
hk transliteration by Sanscript