Hadith on Adhan: Call to prayer with conviction rewarded in Paradise

Abu Huraira reported: We were with the Messenger of Allah, peace and blessings be upon him, when Bilal stood to announce the prayer, then he was silent. The Prophet said, “Whoever says the likes of this with conviction, he will enter Paradise.

Source: Sunan al-Nasā’ī 674

Grade: Sahih (authentic) according to Al-Albani

عَنْ أَبِي هُرَيْرَةَ قَالَ كُنَّا مَعَ رَسُولِ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ فَقَامَ بِلَالٌ يُنَادِي فَلَمَّا سَكَتَ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ مَنْ قَالَ مِثْلَ هَذَا يَقِينًا دَخَلَ الْجَنَّةَ

674 سنن النسائي كتاب الأذان ثواب ذلك

246 المحدث الألباني خلاصة حكم المحدث صحيح في صحيح الترغيب