Shiva Purana
तत्कथं शक्यते वक्तुं याथात्म्यं परमेशयोः ॥ महतामपि सर्वेषां मनसो ऽपि बहिर्गतम् ॥ ७३ ॥
The innate nature of the lord and the goddess is beyond the minds of even great men. How can it be explained?
english translation
tatkathaM zakyate vaktuM yAthAtmyaM paramezayoH ॥ mahatAmapi sarveSAM manaso 'pi bahirgatam ॥ 73 ॥
hk transliteration by Sanscript