Tamim Dari reported,

The Prophet ﷺ said, "Religion is sincere counsel."We asked, "To whom?"He replied, "To Allah, to His Book, to His Messenger, to the leaders of the Muslims, and to the Muslims in general."

Azami 145

Sahih

عن تميم الداري

أن النبي ﷺ قال: الدين النصيحة قلنا: لمن؟ قال: لله، ولكتابه، ولرسوله، ولأئمة المسلمين، وعامتهم.

الأعظمي 145صحيح
Contents
Reference
Commentary
Ayat
Collection
Jami al-Kamil
Book
Faith
Chapter
Qualities of faith
Section
Sincere advice is the pillar and foundation of religion
Numbering
Jami al-Kamil 145 (2nd edition)
Azami 145