Al-'Ankabut 29:43

وَتِلْكَ ٱلْأَمْثَـٰلُ نَضْرِبُهَا لِلنَّاسِ ۖ وَمَا يَعْقِلُهَآ إِلَّا ٱلْعَـٰلِمُونَ

Watil'ka l-amthālu naḍribuhā lilnnāsi wamā yaʿqiluhā illā l-ʿālimūna

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