Sahih Muslim Book - 48, Hadith - 6805

حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ ، وَزُهَيْرُ بْنُ حَرْبٍ ، وَاللَّفْظُ لِقُتَيْبَةَ ، قَالاَ : حَدَّثَنَا جَرِيرٌ ، عَنِ الأَعْمَشِ ، عَنْ أَبِي صَالِحٍ ، عَنْ أَبِي هُرَيْرَةَ ، قَالَ : قَالَ رَسُولُ اللهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ : يَقُولُ اللَّهُ عَزَّ وَجَلَّ : أَنَا عِنْدَ ظَنِّ عَبْدِي بِي ، وَأَنَا مَعَهُ حِينَ يَذْكُرُنِي ، إِنْ ذَكَرَنِي فِي نَفْسِهِ ، ذَكَرْتُهُ فِي نَفْسِي ، وَإِنْ ذَكَرَنِي فِي مَلَإٍ ، ذَكَرْتُهُ فِي مَلَإٍ هُمْ خَيْرٌ مِنْهُمْ ، وَإِنْ تَقَرَّبَ مِنِّي شِبْرًا ، تَقَرَّبْتُ إِلَيْهِ ذِرَاعًا ، وَإِنْ تَقَرَّبَ إِلَيَّ ذِرَاعًا ، تَقَرَّبْتُ مِنْهُ بَاعًا ، وَإِنْ أَتَانِي يَمْشِي أَتَيْتُهُ هَرْوَلَةً.

It was narrated that Abu Hurairah said: "The Messenger of Allah (s.a.w) said: 'Allah, Glorified and Exalted is He, says: I am as My slave thinks I am, and I am with him when he remembers Me. If he remembers Me to himself, I remember him to Myself; if he remembers Me in a gathering, I remember him in a gathering better than it; if he draws near to Me a handspan, I draw near to him an arm's length; if he draws near to Me an arm's length, I draw near to him a fathom's length; if he comes to Me walking, I go to him at speed."'