Tafseer Ibn Kathir of AL INSAAN [2]

إِنَّا خَلَقْنَا الْإِنسَانَ مِن نُّطْفَةٍ أَمْشَاجٍ نَّبْتَلِيهِ فَجَعَلْنَاهُ سَمِيعًا بَصِيرًا

Indeed, We created man from a sperm-drop mixture that We may try him; and We made him hearing and seeing.