Brahma Sutras
ॐ प्रकृतैतावत्त्वं हि प्रतिषेधति ततो ब्रवीति च भूयः ॐ ॥ ३-२-२२॥
The Upanishad certainly denies the limitation that is being dealt with and then speaks of something more.
english translation
OM prakRtaitAvattvaM hi pratiSedhati tato bravIti ca bhUyaH OM ॥ 3-2-22॥
hk transliteration by Sanscript