43:47
فَلَمَّا جَآءَهُم بِـَٔايَـٰتِنَآ إِذَا هُم مِّنْهَا يَضْحَكُونَ
falammā jāahum biāyātinā idhā hum min'hā yaḍḥakūna
but when he presented Our signs to them, they laughed,
But when he came to them with Our Ayât (proofs, evidence, verses, lessons, signs, revelations) behold, they laughed at them.