العنكبوت — Al-'Ankabut Ayat 35

وَلَقَدْ تَّرَكْنَا مِنْهَآ اٰيَةً ۢ بَيِّنَةً لِّقَوْمٍ يَّعْقِلُوْنَ

Wa laqad taraknā minhā āyatam bayyinatal liqaumiy ya‘qilūn(a).

"And We have certainly left of it a sign as clear evidence for a people who use reason."