Shiva Purana
यमाराध्य महादेवं विद्याः सर्वा लभेमहि ॥ पुराणकर्तृताशक्तिर्ममास्तु यदनुग्रहात् ॥ ५९॥
By worshiping him we attain all knowledge By His grace may I have the power to be the author of the Puranas.
english translation
yamArAdhya mahAdevaM vidyAH sarvA labhemahi ॥ purANakartRtAzaktirmamAstu yadanugrahAt ॥ 59॥
hk transliteration by Sanscript