On the authority of Abu Najeeh al-’Irbaad ibn Saariyah (may Allah be pleased with him) who said:
The Messenger of Allah (peace and blessings of Allah be upon him) gave us a sermon by which our hearts were filled with fear and tears came to our eyes. So we said, “O Messenger of Allah! It is as though this is a farewell sermon, so counsel us.” He (peace and blessings of Allah be upon him) said, “I counsel you to have taqwa (fear) of Allah, and to listen and obey [your leader], even if a slave were to become your ameer. Verily he among you who lives long will see great controversy, so you must keep to my Sunnah and to the Sunnah of the Khulafa ar-Rashideen (the rightly guided caliphs), those who guide to the right way. Cling to it stubbornly [literally: with your molar teeth]. Beware of newly invented matters [in the religion], for verily every bidah (innovation) is misguidance.”
It was related by at-Tirmidhi, who said that it was a good and sound hadeeth.
It is narrated on the authority of Amirul Mu'minin, Abu Hafs 'Umar bin al-Khattab (ra) who said:
I heard the Messenger of Allah (ﷺ) say: "Actions are (judged) by motives (niyyah), so each man will have what he intended.…
Also on the authority of `Umar (ra) who said:
While we were one day sitting with the Messenger of Allah (ﷺ) there appeared before us a man dressed in extremely white clothes and with very black hair. No traces of journey…
On the authority of Abdullah, the son of Umar ibn al-Khattab (ra), who said:
I heard the Messenger of Allah (ﷺ) say, "Islam has been built on five : testifying that there is no deity worthy of worship except Allah and th…
On the authority of Abdullah ibn Masood (ra), who said:
The Messenger of Allah (ﷺ), and he is the truthful, the believed, narrated to us, “Verily the creation of each one of you is brought together in his mother’s womb f…
On the authority of the mother of the faithful, Aisha (ra), who said:
The Messenger of Allah (ﷺ) said, “He who innovates something in this matter of ours (i.e., Islam) that is not of it will have it rejected (by Allah).”…
On the authority of an-Nu’man ibn Basheer (ra), who said:
I heard the Messenger of Allah (ﷺ) say, “That which is lawful is clear and that which is unlawful is clear, and between the two of them are doubtful matters about…