When any one of you enters the mosque, he should say:" O Allah! open for me the doors of Thy mercy" ; and when he steps out he should say: 'O Allah! I beg of Thee Thy Grace." (Imam Muslim said: I heard Yahya saying: I transcribed this hadith from the compilation of Sulaiman b. Bilal.)  

قَالَ رَسُولُ اللَّهِ ﷺ إِذَا دَخَلَ أَحَدُكُمُ الْمَسْجِدَ فَلْيَقُلِ اللَّهُمَّ افْتَحْ لِي أَبْوَابَ رَحْمَتِكَ وَإِذَا خَرَجَ فَلْيَقُلِ اللَّهُمَّ إِنِّي أَسْأَلُكَ مِنْ فَضْلِكَ قَالَ مُسْلِمٌ سَمِعْتُ يَحْيَى بْنَ يَحْيَى يَقُولُ كَتَبْتُ هَذَا الْحَدِيثَ مِنْ كِتَابِ سُلَيْمَانَ بْنِ بِلاَلٍ قَالَ بَلَغَنِي أَنَّ يَحْيَى الْحِمَّانِيَّ يَقُولُ وَأَبِي أُسَيْدٍ  

"I heard Abu Humaid and Abu Usaid say: 'The Messenger of Allah ﷺ said: "When any one of you enters the Masjid, let him say: 'Allahumma aftahli abwaba rahmatik (O Allah, open to me the gates of your mercy). And when he leaves let him say: Allahumma inni as'aluka min fadlik (O Allah, I ask You of Your bounty).'"  

قَالَ رَسُولُ اللَّهِ ﷺ إِذَا دَخَلَ أَحَدُكُمُ الْمَسْجِدَ فَلْيَقُلِ اللَّهُمَّ افْتَحْ لِي أَبْوَابَ رَحْمَتِكَ وَإِذَا خَرَجَ فَلْيَقُلِ اللَّهُمَّ إِنِّي أَسْأَلُكَ مِنْ فَضْلِكَ  

"The Messenger of Allah said: 'When anyone of you enters the mosque, let him send peace upon the prophet, then let him say: "Allahummaftah li abwaba rahmatika (O Allah, open to me the gates of Your mercy)." And when he leaves, let him say: "Allahumma inni as'aluka min fadlika. (O Allah, I ask of you from Your bounty)."  

قَالَ رَسُولُ اللَّهِ ﷺ إِذَا دَخَلَ أَحَدُكُمُ الْمَسْجِدَ فَلْيُسَلِّمْ عَلَى النَّبِيِّ ﷺ ثُمَّ لْيَقُلِ اللَّهُمَّ افْتَحْ لِي أَبْوَابَ رَحْمَتِكَ وَإِذَا خَرَجَ فَلْيَقُلِ اللَّهُمَّ إِنِّي أَسْأَلُكَ مِنْ فَضْلِكَ  

The Mesenger of Allah said: "When anyone of enters the mosque, let him send peace upon the Prophet, then let him say: 'Allahumma aftahli abwaba rahmatik (O Allah, open to me the gates of Your mercy).' And when he leaves, let him send peace upon the Prophet and say: 'Allahumma- simni minash-shaitanir-rajim (O Allah, protect me from the accursed Shaitan).'"  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ إِذَا دَخَلَ أَحَدُكُمُ الْمَسْجِدَ فَلْيُسَلِّمْ عَلَى النَّبِيِّ ﷺ وَلْيَقُلِ اللَّهُمَّ افْتَحْ لِي أَبْوَابَ رَحْمَتِكَ وَإِذَا خَرَجَ فَلْيُسَلِّمْ عَلَى النَّبِيِّ وَلْيَقُلِ اللَّهُمَّ اعْصِمْنِي مِنَ الشَّيْطَانِ الرَّجِيمِ  

"The Messenger of Allah said: 'When anyone of you enters the mosque, let him send peace upon the prophet, then let him say: "Allahummaftah li abwaba rahmatika (O Allah, open to me the gates of Your mercy)." And when he leaves, let him say: "Allahumma inni as'aluka min fadlika. (O Allah, I ask of you from Your bounty)." (Using translation from Ibn Mājah 772)  

قَالَ رَسُولُ اللهِ ﷺ إِذَا دَخَلَ أَحَدُكُمُ الْمَسْجِدَ فَلْيَقُلْ اللهُمَّ افْتَحْ لَنَا أَبْوَابَ رَحْمَتِكَ وَإِذَا خَرَجَ فَلْيَقُلْ اللهُمَّ إِنِّي أَسْأَلُكَ مِنْ فَضْلِكَ  

"I heard Abu Humaid and Abu Usaid say: 'The Messenger of Allah ﷺ said: "When any one of you enters the Masjid, let him say: 'Allahumma aftahli abwaba rahmatik (O Allah, open to me the gates of your mercy). And when he leaves let him say: Allahumma inni as'aluka min fadlik (O Allah, I ask You of Your bounty).'" (Using translation from Nasāʾī 729)  

قَالَ رَسُولُ اللهِ ﷺ إِذَا دَخَلَ أَحَدُكُمُ الْمَسْجِدَ فَلْيَقُلْ اللهُمَّ افْتَحْ لِي أَبْوَابَ رَحْمَتِكَ فَإِذَا خَرَجَ فَلْيَقُلْ اللهُمَّ إِنِّي أَسْأَلُكَ مِنْ فَضْلِكَ  

"The Messenger of Allah said: 'When anyone of you enters the mosque, let him send peace upon the prophet, then let him say: "Allahummaftah li abwaba rahmatika (O Allah, open to me the gates of Your mercy)." And when he leaves, let him say: "Allahumma inni as'aluka min fadlika. (O Allah, I ask of you from Your bounty)." (Using translation from Ibn Mājah 772)  

قَالَ رَسُولُ اللَّهِ ﷺ إِذَا دَخَلَ أَحَدُكُمُ الْمَسْجِدَ فَلْيَقُلْ اللَّهُمَّ افْتَحْ لِي أَبْوَابَ رَحْمَتِكَ وَإِذَا خَرَجَ فَلْيَقُلْ اللَّهُمَّ إِنِّي أَسْأَلُكَ مِنْ فَضْلِكَ  

when any of you enters the mosque he should invoke blessing on the prophet ﷺ and then he should say: O Allah, open to me the gates of thy mercy. And when he goes out, he should say: O Allah, I ask thee out of Thine abundance. (Using translation from Abū Dāʾūd 465)  

قَالَ رَسُولُ اللَّهِ ﷺ إِذَا دَخَلَ أَحَدُكُمُ الْمَسْجِدَ فَلْيُسَلِّمْ عَلَى النَّبِيِّ ثُمَّ لِيَقُلْ اللَّهُمَّ افْتَحْ لِي أَبْوَابَ رَحْمَتِكَ وَإِذَا خَرَجَ فَلْيَقُلْ اللَّهُمَّ إِنِّي أَسْأَلُكَ مِنْ فَضْلِكَ  

The Mesenger of Allah said: "When anyone of enters the mosque, let him send peace upon the Prophet, then let him say: 'Allahumma aftahli abwaba rahmatik (O Allah, open to me the gates of Your mercy).' And when he leaves, let him send peace upon the Prophet and say: 'Allahumma- simni minash-shaitanir-rajim (O Allah, protect me from the accursed Shaitan).'" (Using translation from Ibn Mājah 773)  

عَنْ رَسُولِ اللَّهِ ﷺ قَالَ «إِذَا دَخَلَ أَحَدُكُمُ الْمَسْجِدَ فَلْيُسَلِّمْ عَلَى النَّبِيِّ ﷺ وَلْيَقُلِ اللَّهُمَّ افْتَحْ لِي أَبْوَابَ رَحْمَتِكَ وَإِذَا خَرَجَ فَلْيُسَلِّمْ عَلَى النَّبِيِّ ﷺ وَلْيَقُلِ اللَّهُمَّ أَجِرْنِي مِنَ الشَّيْطَانِ الرَّجِيمِ»  

when any of you enters the mosque he should invoke blessing on the prophet ﷺ and then he should say: O Allah, open to me the gates of thy mercy. And when he goes out, he should say: O Allah, I ask thee out of Thine abundance. (Using translation from Abū Dāʾūd 465)   

عَنْ أَبِي حُمَيْدٍ أَوْ أَبِي أُسَيْدٍ السَّاعِدِيِّ قَالَ قَالَ رَسُولُ اللَّهِ ﷺ «إِذَا دَخَلَ أَحَدُكُمُ الْمَسْجِدَ فَلْيُسَلِّمْ وَلْيَقُلِ اللَّهُمَّ افْتَحْ لِي أَبْوَابَ رَحْمَتِكَ وَإِذَا خَرَجَ فَلْيَقُلِ اللَّهُمَّ إِنِّي أَسْأَلُكَ مِنْ فَضْلِكَ»  

"I heard Abu Humaid and Abu Usaid say: 'The Messenger of Allah ﷺ said: "When any one of you enters the Masjid, let him say: 'Allahumma aftahli abwaba rahmatik (O Allah, open to me the gates of your mercy). And when he leaves let him say: Allahumma inni as'aluka min fadlik (O Allah, I ask You of Your bounty).'" (Using translation from Nasāʾī 729)  

قَالَ رَسُولُ اللَّهِ ﷺ «إِذَا جَاءَ أَحَدُكُمْ إِلَى الْمَسْجِدِ فَلْيَقُلِ اللَّهُمَّ افْتَحْ لِي أَبْوَابَ رَحْمَتِكَ وَإِذَا خَرَجَ فَلْيَقُلِ اللَّهُمَّ إِنِّي أَسْأَلُكَ مِنْ فَضْلِكَ»  

The Mesenger of Allah said: "When anyone of enters the mosque, let him send peace upon the Prophet, then let him say: 'Allahumma aftahli abwaba rahmatik (O Allah, open to me the gates of Your mercy).' And when he leaves, let him send peace upon the Prophet and say: 'Allahumma- simni minash-shaitanir-rajim (O Allah, protect me from the accursed Shaitan).'" (Using translation from Ibn Mājah 773)  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ «إِذَا دَخَلَ أَحَدُكُمُ الْمَسْجِدَ فَلْيُسَلِّمْ عَلَى النَّبِيِّ ﷺ وَلْيَقُلِ اللَّهُمَّ افْتَحْ لِي أَبْوَابَ رَحْمَتِكَ وَإِذَا خَرَجَ فَلْيُسَلِّمْ عَلَى النَّبِيِّ ﷺ وَلْيَقُلِ اللَّهُمَّ أَجِرْنِي مِنَ الشَّيْطَانِ الرَّجِيمِ»  

"The Messenger of Allah said: 'When anyone of you enters the mosque, let him send peace upon the prophet, then let him say: "Allahummaftah li abwaba rahmatika (O Allah, open to me the gates of Your mercy)." And when he leaves, let him say: "Allahumma inni as'aluka min fadlika. (O Allah, I ask of you from Your bounty)." (Using translation from Ibn Mājah 772)  

قَالَ رَسُولُ اللهِ ﷺ إِذَا دَخَلَ أَحَدُكُمُ الْمَسْجِدَ فَلْيَقُلْ اللهُمَّ افْتَحْ لِي أَبْوَابَ رَحْمَتِكَ وَإِذَا خَرَجَ فَلْيَقُلْ اللهُمَّ إِنِّي أَسْأَلُكَ مِنْ فَضْلِكَ  

"The Messenger of Allah said: 'When anyone of you enters the mosque, let him send peace upon the prophet, then let him say: "Allahummaftah li abwaba rahmatika (O Allah, open to me the gates of Your mercy)." And when he leaves, let him say: "Allahumma inni as'aluka min fadlika. (O Allah, I ask of you from Your bounty)." (Using translation from Ibn Mājah 772)  

قَالَ رَسُولُ اللهِ ﷺ إِذَا دَخَلَ أَحَدُكُمُ الْمَسْجِدَ فَلْيَقُلْ اللهُمَّ افْتَحْ لِي أَبْوَابَ رَحْمَتِكَ وَإِذَا خَرَجَ فَلْيَقُلْ اللهُمَّ إِنِّي أَسْأَلُكَ مِنْ فَضْلِكَ  

when any of you enters the mosque he should invoke blessing on the prophet ﷺ and then he should say: O Allah, open to me the gates of thy mercy. And when he goes out, he should say: O Allah, I ask thee out of Thine abundance. (Using translation from Abū Dāʾūd 465)   

قَالَ رَسُولُ اللهِ ﷺ إِذَا دَخَلَ أَحَدُكُمُ الْمَسْجِدَ فَلْيُسَلِّمْ عَلَى النَّبِيِّ ﷺ ثُمَّ لِيَقُلِ اللهُمَّ افْتَحْ لِي أَبْوَابَ رَحْمَتِكَ وَإِذَا خَرَجَ فَلْيَقُلِ اللهُمَّ إِنِّي أَسْأَلُكَ مِنْ فَضْلِكَ  

"The Messenger of Allah said: 'When anyone of you enters the mosque, let him send peace upon the prophet, then let him say: "Allahummaftah li abwaba rahmatika (O Allah, open to me the gates of Your mercy)." And when he leaves, let him say: "Allahumma inni as'aluka min fadlika. (O Allah, I ask of you from Your bounty)." (Using translation from Ibn Mājah 772)   

أَنَّ رَسُولَ اللهِ ﷺ قَالَ إِذَا دَخَلَ أَحَدُكُمُ الْمَسْجِدَ فَلْيُسَلِّمْ عَلَى النَّبِيِّ ﷺ وَلْيَقُلِ اللهُمَّ افْتَحْ لِي أَبْوَابَ رَحْمَتِكَ وَإِذَا خَرَجَ فَلْيُسَلِّمْ عَلَى النَّبِيِّ ﷺ وَلْيَقُلِ اللهُمَّ أَجِرْنِي مِنَ الشَّيْطَانِ الرَّجِيمِ  

"The Messenger of Allah said: 'When anyone of you enters the mosque, let him send peace upon the prophet, then let him say: "Allahummaftah li abwaba rahmatika (O Allah, open to me the gates of Your mercy)." And when he leaves, let him say: "Allahumma inni as'aluka min fadlika. (O Allah, I ask of you from Your bounty)." (Using translation from Ibn Mājah 772)   

"إِذا دخلَ أحدُكم المسجِدَ فَليُسَلمْ، ثُمَّ ليَقُلْ: اللهمّ افْتَحْ لي أبْوَابَ رَحْمَتِكَ، وإذا خرجَ فَليُسَلِّمْ على النبيِّ، وليقُلْ: اللهمَّ اعْصِمني من الشيطانِ".  

when any of you enters the mosque he should invoke blessing on the prophet ﷺ and then he should say: O Allah, open to me the gates of thy mercy. And when he goes out, he should say: O Allah, I ask thee out of Thine abundance. (Using translation from Abū Dāʾūd 465)   

"إذا دخلَ أحدُكمْ المَسْجِدَ فَليَقُلِ: اللهُمَ افْتَحْ لِي أبوابَ رَحْمَتِكَ، وإذَا خَرَجَ فَليَقُلِ: اللهُمَّ إِنى أسْألُكَ منْ فَضْلِكَ".  

when any of you enters the mosque he should invoke blessing on the prophet ﷺ and then he should say: O Allah, open to me the gates of thy mercy. And when he goes out, he should say: O Allah, I ask thee out of Thine abundance. (Using translation from Abū Dāʾūd 465)   

"إِذا دخلَ أحَدُكم المسْجدَ فَليُسلِّمْ عَلى النبي، وَليَقُلْ: اللهُمَّ افْتَحْ لِي أبوَابَ رَحْمَتكَ، وَإذَا خَرَجَ فَليسلِّم على النبِيِّ، وَليَقُلْ: اللَّهُمْ أَسْألُكَ مِنْ فَضْلِكَ".