وَتِلْكَ ٱلْأَمْثَٰلُ نَضْرِبُهَا لِلنَّاسِ ۖ وَمَا يَعْقِلُهَآ إِلَّا ٱلْعَٰلِمُونَ

And (as for) these examples, We set them forth for men, and none understand them but the learned.