Surah Al-'Ankabut, ayah 43

وَتِلۡكَ ٱلۡأَمۡثَٰلُ نَضۡرِبُهَا لِلنَّاسِۖ وَمَا يَعۡقِلُهَآ إِلَّا ٱلۡعَٰلِمُونَ ٤٣

Watilkal-amthālu nadribuhā lin-nāsi wamā ya'qiluhā illal-'ālimūn

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