Sahih al-Bukhari 7405
Narrated Abu Huraira: The Prophet (ﷺ) said, “Allah says: ‘I am just as My slave thinks I am, (i.e. I am able to do for him what he thinks I can do for him) and I am with him if He remembers Me. If he remembers Me in himself, I too, remember him in Myself; and if he remembers Me in a group of people, I remember him in a group that is better than they; and if he comes one span nearer to Me, I go one cubit nearer to him; and if he comes one cubit nearer to Me, I go a distance of two outstretched arms nearer to him; and if he comes to Me walking, I go to him running.’
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This hadith goes on to explain that if a person remembers Allah, Allah remembers them in return. If a person remembers Allah in a group, Allah remembers them in a better group. If a person takes one step closer to Allah, Allah takes two steps closer to them. And if a person walks towards Allah, Allah runs towards them. Overall, the hadith emphasizes the importance of remembering Allah and seeking closeness to Him, as Allah is always ready to forgive and show mercy to those who turn to Him.