Shiva Purana
अज्ञानमोचनं साध्यं विशेषज्ञो हि मोचकः । आदौ च विघ्नशमनं कर्तव्यं कर्म पूर्तये ९८ ।
Freedom from ignorance is the goal. Only a specialist can achieve that. In order to fulfil a task, or a sacred rite, obstacles must be warded off.
english translation
ajJAnamocanaM sAdhyaM vizeSajJo hi mocakaH । Adau ca vighnazamanaM kartavyaM karma pUrtaye 98 ।
hk transliteration by Sanscript