Shiva Purana
केचिच्ज्ञेयमिति प्राहुरज्ञेयमिति केचन ॥ परमेके तमेवाहुरपरं च तथा परे ॥ ३३ ॥
Some say that it is knowable, while others say that it is not. Some call Him the Supreme and others call Him the Supreme.
english translation
kecicjJeyamiti prAhurajJeyamiti kecana ॥ parameke tamevAhuraparaM ca tathA pare ॥ 33 ॥
hk transliteration by Sanscript