(2) بَابُ قَوْلِ اللَّهِ تَبَارَكَ وَتَعَالَى: {قُلِ ادْعُوا اللَّهَ أَوِ ادْعُوا الرَّحْمَنَ أَيًّا مَا تَدْعُوا فَلَهُ الأَسْمَاءُ الْحُسْنَى}
Narrated Jarir bin `Abdullah:
Allah's Messenger (ﷺ) said, "Allah will not be merciful to those who are not merciful to mankind." (ID)
Reference (ID): Sahih al-Bukhari 7376 (ID)
In-book reference (ID): Book 97, Hadith 6 (ID)
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 9, Book 93, Hadith 473 (ID)