العنكبوت — Al-'Ankabut Ayat 43

وَتِلْكَ الْاَمْثَالُ نَضْرِبُهَا لِلنَّاسِۚ وَمَا يَعْقِلُهَآ اِلَّا الْعٰلِمُوْنَ

Wa tilkal-amṡālu naḍribuhā lin-nās(i), wa mā ya‘qiluhā illal-‘ālimūn(a).

"And these examples We present to the people, but none will understand them except those of knowledge."