Verse 38

وَيَصْنَعُ ٱلْفُلْكَ وَكُلَّمَا مَرَّ عَلَيْهِ مَلَأٌ مِّن قَوْمِهِۦ سَخِرُوا۟ مِنْهُ قَالَ إِن تَسْخَرُوا۟ مِنَّا فَإِنَّا نَسْخَرُ مِنكُمْ كَمَا تَسْخَرُونَ

As he was constructing the ship, every time a group of his people passed by him, they ridiculed him. He said, you make fun of us and we mock your ridiculous acts.