On the authority of Abdullah ibn Umar (may Allah be pleased with him), who said:
The Messenger of Allah (peace and blessings of Allah be upon him) took me by the shoulder and said, “Be in this world as though you were a stranger or a wayfarer.”
And Ibn Umar (may Allah be pleased with him) used to say, “In the evening do not expect [to live until] the morning, and in the morning do not expect [to live until] the evening. Take [advantage of] your health before times of sickness, and [take advantage of] your life before your death.”
[Al-Bukhari]
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.…
عَنْ عُمَرَ رَضِيَ اللهُ عَنْهُ أَيْضًا قَالَ: " بَيْنَمَا نَحْنُ جُلُوسٌ عِنْدَ رَسُولِ اللَّهِ صلى الله عليه و سلم ذَاتَ يَوْمٍ، إذْ طَلَعَ عَلَيْنَا رَجُلٌ شَدِيدُ بَيَاضِ الثِّيَابِ، شَدِيدُ سَوَادِ الشَّعْرِ، لَا يُرَى عَلَيْهِ أَثَرُ السَّفَرِ، وَلَا يَعْرِفُهُ مِنَّا أَحَدٌ. حَتَّى جَلَسَ إلَى النَّبِيِّ صلى الله عليه و سلم . فَأَسْنَدَ رُكْبَتَيْهِ إ…
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…