Following the Prophet
From the Qur’an and Hadees
Tafseer (explain the Qur’an)
We sent them] with clear proofs and written ordinances. And We revealed to you the message that you may make clear to the people what was sent down to them and that they might give thought.
(AlQur’an 16:44)
for example Prayer,jakkath,Haj etc
Law
,,,,,, who enjoins upon them what is right and forbids them what is wrong and makes lawful for them the good things and prohibits for them the evil and relieves them of their burden and the shackles which were upon them,,,,, (AlQur’an 7:157)
For example adhan (62:9)
Rolemodel
There has certainly been for you in the Messenger of Allah an excellent pattern for anyone whose hope is in Allah and the Last Day and [who] remembers Allah often. (AlQur’an 33:21)
Follow
And We did not send any messenger except to be obeyed by permission of Allah. (AlQur’an 4:64)
Say, "Obey Allah and the Messenger." But if they turn away - then indeed, Allah does not like the disbelievers.(AlQur’an 3:32)
And obey Allah and the Messenger that you may obtain mercy (AlQur’an 3:132)
O you who have believed, obey Allah and obey the Messenger and those in authority among you. And if you disagree over anything, refer it to Allah and the Messenger, if you should believe in Allah and the Last Day. That is the best [way] and best in result.(AlQur’an 4:59)
But no, by your Lord, they will not [truly] believe until they make you, [O Muhammad], judge concerning that over which they dispute among themselves and then find within themselves no discomfort from what you have judged and submit in [full, willing] submission.
(AlQur’an 4:65)
And whatever the Messenger has given you - take; and what he has forbidden you - refrain from. And fear Allah ; indeed, Allah is severe in penalty. (AlQur’an 59:7)
Say, [O Muhammad], "If you should love Allah, then follow me, [so] Allah will love you and forgive you your sins. And Allah is Forgiving and Merciful."(AlQur’an 3:31)
Duties
Certainly did Allah confer [great] favour upon the believers when He sent among them a Messenger from themselves, reciting to them His verses and purifying them and teaching them the Book and wisdom, although they had been before in manifest error."
[AlQuran 3: 164]
Helping the Prophet
That you may believe in Allah and His Messenger and may aid him and
revere him; and (that) you may declare His glory, morning and evening.
(AlQur’an 48.9)
Warning of Following Different Sects

Indeed, those who have divided their religion and become sects - you, [O Muhammad], are not [associated] with them in anything. Their affair is only [left] to Allah ; then He will inform them about what they used to do.