Jehovah instructed Noah to build an ark shaped like a huge chest. Noah and his family went to work.
إِنَّ ٱلْإِيمَانَ ٱلرَّاسِخَ وَٱلتَّقْوَى هُمَا مَا جَعَلَ نُوحًا وَعَائِلَتَهُ يُطِيعُونَ وَصِيَّةَ ٱللهِ .‏