Brahma Sutras
ॐ असदिति चेन्न प्रतिषेधमात्रत्वात् ॐ ॥ २-१-७॥
If it be said that the effect (in that case) is non-existent (before creation), then not so; for it is merely a negation (without any object to deny).
english translation
OM asaditi cenna pratiSedhamAtratvAt OM ॥ 2-1-7॥
hk transliteration by Sanscript