Sunan Abi Dawud, Hadith 3636

Abu Hurairah reported the Prophet as saying: If anyone pursues a path in search of knowledge, Allah will thereby make easy for him a path to paradise; and he who is made slow by his actions will not be speeded by his genealogy.

حَدَّثَنَا أَحْمَدُ بْنُ يُونُسَ، حَدَّثَنَا زَائِدَةُ، عَنِ الأَعْمَشِ، عَنْ أَبِي صَالِحٍ، عَنْ أَبِي هُرَيْرَةَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏ "‏ مَا مِنْ رَجُلٍ يَسْلُكُ طَرِيقًا يَطْلُبُ فِيهِ عِلْمًا إِلاَّ سَهَّلَ اللَّهُ لَهُ بِهِ طَرِيقَ الْجَنَّةِ وَمَنْ أَبْطَأَ بِهِ عَمَلُهُ لَمْ يُسْرِعْ بِهِ نَسَبُهُ ‏" ‏ ‏.‏

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also referenced under: Hadith 3643 (DarusSalam)