Bulugh al-Maram, Book 16, Hadith 1552 (In-Book)

Salman (RAA) narrated that the Messenger of Allah said: “Your Rabb (Lord of the Universe) is Modest and Generous, and would never turn the hands of a slave without gain when he raises them to Him (in supplication).” Related by the four lmams except An-Nasa’i. Al-Hakim graded it as Sahih.

وَعَنْ سَلْمَانَ ‏- رضى الله عنه ‏- قَالَ: قَالَ رَسُولُ اَللَّهِ ‏- صلى الله عليه وسلم ‏-{ إِنَّ رَبَّكُمْ حَيِيٌّ كَرِيمٌ, يَسْتَحِي مِنْ عَبْدِهِ إِذَا رَفَعَ إِلَيْهِ يَدَيْهِ أَنْ يَرُدَّهُمَا صِفَرًا } أَخْرَجَهُ اَلْأَرْبَعَةُ إِلَّا النَّسَائِيَّ, وَصَحَّحَهُ اَلْحَاكِمُ.‏ (2015)‏.‏ ‏1 ‏- صحيح.‏ رواه أبو داود (1488)‏، والترمذي (3556)‏، وابن ماجه (3865)‏، والحاكم (1 / 497)‏.‏

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also referenced under: Book 16, Hadith 1595 (English)