What is the legacy of the Prophet Muhammad (ﷺ)?
The message that changed the world is the message of tawheed. It is the message which was taught to Adam (عَلَيْهِ السَّلاَمُ), the first human being, which changed his world. And every prophet, around 124.000 prophets, sent to all nations in the world so that the message continued to change the world in each era of human history.
With Prophet Muhammad (ﷺ), the message was now preserved in such a way that it would never change. The earlier messages which changed the world in the area in which the prophets were sent, those messages have changed. And even the prophets who brought them, their name are now lost. We just know in general because Allah told us in the Qur'an:
“I have sent in every nation a messenger calling people to worship Allah alone and to avoid worship of false God…” 
This essential message has been preserved in Islam in a way that it was never preserved before. It was not because of the difference of the messages; the message is still the same, but because of the fact that there will be no other prophet who will come after Muhammad (ﷺ). Therefore, that message had to be protected and had to be preserved in a way none of the earlier messages were preserved.
Prophet Muhammad (ﷺ) left for us a blueprint as to how that message should be conveyed. He lived the message, first and foremost. He was an example of the effect of the message on a human being. And his example was preserved with such detail that anyone today who wants to know that message in its entirety with all of the details, he/she has access to it. And this is how it will remain until the last day of this world. Even when Prophet Isa, Prophet Jesus comes back, he will not come back with a new message or a new interpretation of the message. He will come back following and teaching the same message. And that was what Prophet Muhammad (ﷺ) told us, at that time when Prophet Jesus joins the prayer in Jerusalem, Baitul Maqdis, and Imam Mahdi is going to lead the prayer, and when Imam Mahdi realizes that Prophet Jesus has joined the frontline of the prayer, he wants to step back and allow Prophet Jesus to lead, and Prophet Jesus will stop him, put his hand on his back and let him go forward.
The legacy of Prophet Muhammad (ﷺ) is the conveyance of that message. His job was to convey the message. And that job, he has handed on to us, today. He was the messenger to the whole world, lil ‘aalameen. But how could that be? How come that we have the message today, when he didn’t come to us? It happens because other people conveyed that message to us. The message is conveyed to various nations and people who lived among us by people carrying message to them. And he gave us a very clear command,
“Convey whatever you have ever learned from me, even if it is only a single verse from the Qur'an” 
Everyone has a share in this legacy. It is not only for just a single group or a particular organization. It is for each and every Muslim, a duty to convey the message to people around him or around her.
That message is summed up in the short chapter at the end of the Qur'an, commonly known as Surah Al-Ikhlas. But also refer to by the early generation as Surah at-Tawheed, the chapter of at-Tawheed. And at the very first verse of the surah,
“Say, He is Allah, the uniquely one.” 
That is tawheed in a nutshell. Say, He is Allah, the uniquely one. Not just Allah, who is one, that is waheed. But ahad means, uniquely one. One like whom there is no other. The rest of the surah is only explaining the details of the unique oneness of Allah. How it is different from all other things in this world. And that is the essential message that we need to convey. That message is the light that the nations of this world need, whether they are secular, or whether they have rejected God altogether.
So, if we are to inherit the legacy that the Prophet (ﷺ) left for us, and to make it a means of changing our life and the world around us, then we must understand that message. We must be clear on all of the levels of the message. Knowledge has to preceded all of this. Clear knowledge, not just customs and traditions, which are usually done in our countries, our cities, and our towns. That’s not what Islam is. Islam is what Prophet Muhammad (ﷺ) brought, and what he taught, and what the companions learnt and conveyed. We have to go back to that if we are to change this world, change our own personal world. We have to go back to that. That is what changed the first generation, and nothing short of that will change this generation. I ask Allah (سبحانهُ وتعالى) to give us His blessings, His grace, His taufiq to learn that message as Prophet Muhammad (ﷺ) brought it. To internalize it, to make it a part of our life, and to convey it to those around us, beginning with our family, our children, and our wives.
“Convey whatever you have learnt from me, even it is only a single verse from the Qur'an” 
 [Qur’an 16:36]
 [Sahih al-Bukhaari (3461)]
 [Qur’an 112:1]< Back to Questions