Hadithcore
Riyad as-Salihin, 1040

Sa'd bin Abu Waqqas (May Allah be pleased with him) reported:

The Prophet (ﷺ) said, "He who says after the Adhan: 'Ash-hadu an la ilaha illallah Wah-dahu la sharika Lahu; wa ash-hadu anna Muhammadan 'abduhu wa Rasuluhu, radhitu Billahi Rabban, wa bi Muhammadin Rasulan, wa bil Islami Dinan <b>[I testify that there is no true god except Allah Alone; He has no partners and that Muhammad (ﷺ) is His slave and Messenger; I am content with Allah as my Rubb, with Muhammad as my Messenger and with Islam as my Deen]</b>,' his sins will be forgiven." <b>[Muslim]</b>.

وعن سعد بن أبي وقاص رضي الله عنه عن النبي صلى الله عليه وسلم أنه قال‏:‏‏

‏من قال حين يسمع المؤذن‏:‏ أشهد أن لا إله إلا الله وحده لا شريك له، وأن محمدًا عبده ورسوله، رضيت بالله ربًا وبالإسلام دينًا، غفر له ذنبه‏

‏‏(‏‏(‏رواه الترمذي وقال حديث حسن‏)‏‏)‏‏.‏

References1 variant
In-Book Reference
Book 8, Hadith 50
Sharh · explanationclick to expand
<b>Guidance from the Hadiths:</b><br> The above Hadiths include a number of reported Sunnahs and etiquettes related to the Adhān, as follows:<br> 1) We should respond to the Muezzin by repeating what he says, except in the phrases “Hayy ‘ala as-salāh, hayy ‘ala al-falāh” (come to prayer; come to success), where we should respond with: “La hawla wa la quwwata illa billah” (There is no power nor strength except through Allah). In other words, we resolve to respond to the call by virtue of Your help, O Lord.<br> 2) It is recommended to invoke Allah’s peace and blessings upon the Prophet immediately after the Adhān is over.<br> 3) We should ask Allah Almighty to grant the Prophet (may Allah’s peace and blessings be upon him) the Wasilah, which is the highest rank in Paradise, and to resurrect him to a praiseworthy station which all the creation will praise him for - and that is the station of intercession on the Day of Judgment.<br> 4) Observing these Sunnahs regularly is a means for expiation of sins and winning the Prophet’s intercession.
Related hadiths5
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