Even the most trained and capable engineer could not have manufactured anything as beautiful and useful as the ten marvelously designed levers ​ — your fingers and thumbs.
فَكُلٌّ مِنْهَا يُشْبِهُ أَدَاةً بَارِعَةَ ٱلتَّصْمِيمِ يَعْجَزُ حَتَّى أَمْهَرُ ٱلْمُهَنْدِسِينَ وَأَكْثَرُهُمْ خِبْرَةً أَنْ يُصَمِّمَ شَيْئًا يُضَاهِيهَا جَمَالًا وَمَنْفَعَةً .‏