Ahmad ibn Muhammad said, "One of the obligations of the heart is to believe in nasiha for the sake of the Messenger of Allah."
Shiikhul Islaam Ibnu Taymiya wuxuu yiri, "Shaki ma leh inuu gaal yahay qofkii aan rumeysneyn inay waajib tahay in la isku maamulo wixii Alle rasuulkiisa (SCW) ku soo dejiyey.