Sunan an-Nasa'i 2593
سنن النسائي#2593Sahihأَخْبَرَنَا الْحُسَيْنُ بْنُ حُرَيْثٍ، قَالَ أَنْبَأَنَا سُفْيَانُ، عَنْ عَمْرٍو، عَنْ وَهْبِ بْنِ مُنَبِّهٍ، عَنْ أَخِيهِ، عَنْ مُعَاوِيَةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " لاَ تُلْحِفُوا فِي الْمَسْأَلَةِ وَلاَ يَسْأَلْنِي أَحَدٌ مِنْكُمْ شَيْئًا وَأَنَا لَهُ كَارِهٌ فَيُبَارَكُ لَهُ فِيمَا أَعْطَيْتُهُ " .
It was narrated from Mu'awiyah that the Messenger of Allah said:"Do not be demanding when asking. If one of you asks me for anything and I give it reluctantly, there will be no blessing in it
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 23:159