Sayyiduna Abu Hurayrah (may Allah be pleased with him) says that the Messenger of Allah (peace and blessings be upon him) said: "Straighten the rows in prayer; straightening the row is part of the beauty of the prayer."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 5175
Anas (may Allah be pleased with him) says that the Messenger of Allah (peace and blessings be upon him) said: "Straighten your rows, for straightening the rows is part of the completion of the prayer."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 5176
Sayyiduna Anas (may Allah be pleased with him) says that the Messenger of Allah (peace and blessings be upon him) said: "Straighten the rows; I see you from behind me."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 5177
It is narrated from Sayyiduna Anas bin Malik (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: "Close up your rows, keep them near one another, and align your necks. By Allah, I see Satan entering through the gaps in the rows like a young lamb."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 5179
Sayyiduna Nu'man bin Bashir (may Allah be pleased with him) says that the Prophet (peace and blessings be upon him) said: "You will surely straighten your rows, or Allah will cause discord between your faces."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 5180
Simak bin Harb narrates from Sayyiduna Nu'man bin Bashir (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) was straightening the rows. He (peace and blessings be upon him) saw a man sticking out of the row and said: "Straighten your rows, or else Allah will cause discord between your faces on the Day of Resurrection."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 5181
Simak narrates from Nu'man bin Bashir (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) used to straighten the rows the way a spear is straightened. One day he (peace and blessings be upon him) saw a man whose chest was sticking out of the row. I saw the Prophet (peace and blessings be upon him) saying: "You must straighten your rows, or else Allah will cause discord between your faces."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 5182
Abu al-Qasim al-Jadali (may Allah have mercy on him) says: I heard Sayyiduna Nu'man bin Bashir (may Allah be pleased with him) say that the Prophet (peace and blessings be upon him) turned his blessed face towards the people and said: "Straighten your rows" (he said it three times). "By Allah, you will surely straighten your rows, or else Allah Almighty will cause discord between your hearts." He says: I saw every man pressing his shoulder against his companion's shoulder, his ankle against his companion's ankle, and his shin against his companion's shin.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 5183
Bara' bin Azib (may Allah be pleased with him) says that the Messenger of Allah (peace and blessings be upon him) said: "Close up your rows well, lest the awlad al-hadhaf (young lambs) make gaps between you." It was said: O Messenger of Allah, what is meant by awlad al-hadhaf? He said: "Small black hairless sheep; they were found in Yemen."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 5184
It is narrated from Bara' bin Azib (may Allah be pleased with him) that he (peace and blessings be upon him) ordered that the rows be closed up well, "so that the passing of something like young lambs does not make gaps between you." Awlad al-hadhaf means black hairless goats; they were found in Yemen.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 5185
Abu al-Zahiriyyah narrates from Abu Shajarah, and he from Kathir bin Murrah, and he did not mention Sayyiduna Ibn Umar (may Allah be pleased with them both), that the Messenger of Allah (peace and blessings be upon him) said: "Straighten the rows, align the shoulders, fill the gaps, be gentle in the hands of your brothers, and do not leave gaps for the devils. Whoever joins a row, Allah will join him; and whoever breaks a row, Allah will cut him off."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 5186
Uthman bin Urwah bin al-Zubayr narrates from his father that Aishah (may Allah be pleased with her), the wife of the Prophet (peace and blessings be upon him), said that he (peace and blessings be upon him) said: "Allah sends down mercy, and His angels pray for mercy, upon those who join the rows."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 5187
Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) says that the Messenger of Allah (peace and blessings be upon him) said: "The best of you are those whose shoulders are softest in prayer."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 5188