It is narrated from Sayyiduna Ibn Abbas (may Allah be pleased with them both) that the Messenger of Allah (peace and blessings be upon him) said: "The religion is entirely sincere advice." The people asked: "For whom?" He said: "For Allah, for His Messenger, and for the leaders of the believers."
Hadith Referenceمسند احمد / ومن مسند بني هاشم / 3281
Hadith Gradingحکم دارالسلام:صحيح لغيره، وهذا إسناد ضعيف لإبهام سامعه من ابن عباس