Quran 69:41 from Surah Al-Haaqqa on Divine Marvels.
وَمَا هُوَ بِقَوۡلِ شَاعِرٖۚ قَلِيلٗا مَّا تُؤۡمِنُونَ
English translation: And not it (is the) word (of) a poet; little (is) what you believe!
Transliteration: wama huwa biqawli sha'irin qalilan ma tu'minuna