Explanation of the Hadith "Religion is sincere advice"

Question:
A questioner asks for an explanation of the hadith: ?

Answer:
This is a great hadith narrated by Muslim in his Sahih from the hadith of Tamim al-Dari, and it has corroborating narrations from other than Muslim. The Prophet (peace and blessings be upon him) said: .
This great hadith indicates that religion is sincere advice, and this indicates the greatness of its status because he made it religion, as the Prophet (peace and blessings be upon him) said: .
This hadith indicates that sincere advice is religion, and it is sincerity in a matter and truthfulness in it, so that it is performed as Allah has made obligatory. So religion is sincere advice in all that Allah has made obligatory, and in leaving what Allah has forbidden. This is general and encompasses the right of Allah, the right of the Messenger, the right of the Qur'an, the right of the imams, and the right of the common people.
And sincere advice, as mentioned earlier, is sincerity in a matter and caring for it, and striving to have it performed completely and perfectly, without deception, betrayal, or negligence. It is said in the language of the Arabs: "A sincere camel," meaning one in which there is no deception. They also say: "A sincere work," meaning one in which there is no deception.
And so the believer must be sincere in his works to Allah, to His Book, to His Messenger, to the imams of the Muslims, and to their common people.
So sincere advice to Allah is His tawhid (the oneness of Allah) and sincerity to Him, and directing worship to Him (Exalted and Majestic is He), such as prayer, fasting, Hajj, jihad, and others. That is, to work with the utmost sincerity for Allah, not worshipping anyone with Him, but worshipping Him alone. One is sincere in this worship and perfects it along with belief in Him and in everything He has commanded. And so one is sincere in performing what Allah has made obligatory upon him, and leaving what Allah has forbidden him, performing that completely because he knows the right of Allah, and that Allah has made it obligatory upon him, so he is sincere in it and cares for it.
Likewise, regarding the Qur'an, one should reflect upon it, comprehend it, act upon its commands, and refrain from its prohibitions. It is the great Book of Allah and His firm rope. Therefore, it is obligatory to take care of it and to offer sincere advice in this matter, both in word and deed. This is done by preserving the commands, abandoning the prohibitions, and adhering to the limits that Allah has defined in the Noble Qur'an, so that one does not neglect any of Allah's commands in the Qur'an, nor commit any of Allah's prohibitions, while believing that it is the speech of Allah, revealed and not created, from which it began and to which it returns. This is the unanimous view of the people of the Sunnah and the community, as He (peace and blessings be upon him) said:: upon your heart so that you may be among the warners[Surat al-Shu'ara: 193-194], and He, the Exalted, said:[Surat al-Zumar: 1], and He (peace and blessings be upon him) said [Surat al-Qadr: 1], and other verses indicating that it is the speech of Allah, the Exalted, and that it is revealed from Him. Thus, the believer believes in all of this, and so does the believing woman, and each of them believes that it is the speech of Allah, revealed and not created, from which it began and to which it returns, in contrast to the Jahmiyyah and the innovators who follow in their footsteps.
And so sincere advice to the Messenger (peace and blessings be upon him) is by obeying his commands, avoiding his prohibitions, and believing that he is truly the Messenger of Allah, and that he is the Seal of the Prophets and Messengers, along with defending his Sunnah and defending both of them. All of this is part of sincere advice to the Messenger (peace and blessings be upon him). And so caring for his hadiths (peace and blessings be upon him), distinguishing the sound from the defective, defending them, complying with them, and standing by the limits that Allah and His Messenger have set, as He said: [al-Baqarah: 229].
This is the sincere advice to the Messenger (peace and blessings be upon him), and whatever exceeds that in obligatory duties and leaving prohibitions is perfection and completion of the sincere advice.
So the conclusion is that by caring for what Allah and His Messenger have commanded, and what the Book of Allah and the Sunnah of His Messenger indicate regarding rights, one has been sincere to Allah, His Book, and His Messenger by performing the obligations of Allah, leaving the prohibitions of Allah, standing by the limits of Allah, and increasing in praising Him, mentioning Him , and fearing Him (Exalted and Majestic is He). All of this is part of sincere advice to Allah, His Book, and His Messenger (peace and blessings be upon him).
As for sincere advice to the imams of the Muslims, it is by making du'a' (supplication) for them, listening to and obeying them in what is right, cooperating with them in good and leaving evil, and not rising against them, and not disputing with them, except if there is from them open disbelief with proof from Allah , as that came in the hadith of 'Ubadah ibn al-Samit (may Allah be pleased with him) regarding the pledge of allegiance of the Ansar to the Prophet (peace and blessings be upon him).
And part of the advice to them is directing them to good, commanding them to do what is right, and forbidding them from doing what is wrong, using a good manner, gentleness, and other valid methods; acting in accordance with this authentic hadith and the saying of Allah (peace and blessings be upon him):: [Surat al-Ma'idah: 2], and His, the Exalted, saying: Indeed, mankind is in lossexcept those who have faith and do righteous deeds and enjoin one another to truth and enjoin one another to patience[Surat al-Asr: 1-3].
As for sincere advice to the common Muslims, it is by teaching them and instructing them in the religion, calling them to Allah , enjoining good and forbidding evil, and establishing the hudud (fixed Qur'anic punishments) and ta'zir (discretionary punishment) upon them. All of this is part of sincere advice to them, and success is from Allah.