Arabic (Original)
حَدَّثَنَا يَحْيَى بْنُ آدَمَ قَالَ ثَنَا شَرِيكٌ عَنْ عَاصِمِ بْنِ كُلَيْبٍ عَنْ أَبِيهِ عَنْ وَائِلِ بْنِ حُجْرٍ أَنَّهُ سَمِعَ النَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يَقُولُ فِي الصَّلَاةِ آمِينَ.
English Translation
Yahya ibn Adam told us, he said: Sharik told us, from Asim ibn Kulayb, from his father, from Wa'il ibn Hujr, that he heard the Prophet (peace and blessings be upon him) say "Amen" in the prayer.