Shiva Purana
ईशानस्सर्वविद्यानामित्यद्याश्श्रुतयः प्रिये ॥ मत्त एव भवन्तीति वेदास्सत्यम्वदन्ति हि॥ १९॥
O beloved, the Vedic texts beginning with “Īśānaḥ Sarvavidyānām” issue from me. The Vedas indeed speak the truth.
english translation
IzAnassarvavidyAnAmityadyAzzrutayaH priye ॥ matta eva bhavantIti vedAssatyamvadanti hi॥ 19॥
hk transliteration by Sanscript