All hadith

Abdullah bin 'Amr bin Al-'as (May Allah be pleased with them) reported: A man asked the Messenger of Allah (ﷺ): "Which act in Islam is the best?" He (ﷺ) replied, "To give food, and to greet everyone, whether you know or you do not."

Abu Hurairah (May Allah be pleased with him) reported: The Prophet (ﷺ) said, "When Allah created Adam (ﷺ), He said to him: 'Go and greet that company of angels who are sitting there - and then listen to what they are going to say in reply to your greetings because that will be your greeting and your off-spring's.' Adam (ﷺ) said to the angels: 'As-Salamu 'Alaikum (May peace be upon you).' They replied: 'As-Salamu 'Alaikum wa Rahmatullah (May peace be upon you and the Mercy of Allah).' Thus adding in reply to him: 'wa Rahmatullah (and the Mercy of Allah)' to his greeting."

Al-Bara' bin 'Azib (May Allah be pleased with them) reported: The Messenger of Allah (ﷺ) commanded us to do seven things: to visit the sick, to follow the funeral (of a dead believer), to invoke the Mercy of Allah upon one who sneezes (i.e., by saying to him: Yarhamuk- Allah), to support the weak, to help the oppressed, to promote the greeting of 'As-Salamu 'Alaikum', and to help those who swear to do something to keep their oaths..

Abu Hurairah (May Allah be pleased with him) reported: The Messenger of Allah (ﷺ) said, "By Him in Whose Hand is my life! You will not enter Jannah until you believe, and you will not believe until you love one another. Shall I inform you of something which, if you do, you will love one another? Promote greetings amongst yourselves."

At-Tufail bin Ubayy bin Ka'b (May Allah be pleased with him) reported: I used to visit 'Abdullah bin 'Umar (May Allah be pleased with them) in the morning and accompany him to the market. 'Abdullah offered greetings of peace to every one he met on the way, be they sellers of petty goods, traders or poor people. One day when I came to him, he asked me to accompany him to the market. I said to him: "What is the point of your going to the market when you do not sell, nor ask about articles, nor offer a price for them, nor sit down with any company of people. Let us sit down here and talk." He replied: "O Abu Batn (father of a belly) - Tufail had a large belly - we go to the market to greet everyone we meet."

'Aishah (May Allah be pleased with her) reported: The Messenger of Allah (ﷺ) said to me, "This is Jibril (Gabriel) who is conveying you greetings of peace." I responded: "Wa 'Alaihis-Salamu wa Rahmatullahi wa Barakatuhu (May peace be upon him and the Mercy of Allah and His Blessings)."

Anas (May Allah be pleased with him) reported the Prophet (ﷺ) used to repeat his words thrice so that the meaning thereof would be fully understood, and whenever he came upon a gathering of people, he would greet them. He would repeat Salam thrice..

Al-Miqdad (May Allah be pleased with him) reported in a long Hadith: We used to reserve for the Prophet (ﷺ) his share of the milk, and he would come at night and offer greetings in such a manner as did not disturb those asleep and was heard only by those who were awake. In fact, the Prophet (ﷺ) came and offered greetings as usual..

Abu Hurairah (May Allah be pleased with him) reported: The Messenger of Allah (ﷺ) said, 'A rider should greet a pedestrian; a pedestrian should greet one who is sitting; and a small group should greet a large group (of people).'' . The narration in Al-Bukhari adds: The Messenger of Allah (ﷺ) said, "The young should greet the elderly.''

Abu Hurairah (May Allah be pleased with him)reported in the Hadith concerning the person who was at fault in performing his Salat (prayer): He came to the Prophet (ﷺ) and greeted him. The Prophet (ﷺ) responded to the greeting and said, "Go back and repeat your Salat because you have not performed the Salat (properly).'' He again performed Salat as he had prayed before and came to the Prophet (ﷺ) and greeted him. The Prophet (ﷺ) responded to the greetings (and repeated his words to him). This act of repeating (the Salat and the Salam) was done thrice.

Anas (May Allah be pleased with him) reported that he passed by some children and greeted them. Then he said: "Messenger of Allah (ﷺ) used to do the same."

Sahl bin Sa`d (May Allah be pleased with him) reported: There was a woman (in another narration; an old woman) among us who would put beet root in a pot and add to it some ground barley. She used to cook them together. On returning from the Friday prayer, we would greet her and she would offer it to us.

Umm Hani (May Allah be pleased with her), the daughter of Abu Talib reported: I went to the Prophet (ﷺ) on the day of the conquest of Makkah. He was taking a bath and Fatimah was screening him with a cloth. I greeted him. And she mentioned the rest of the Hadith.

Abu Hurairah (May Allah be pleased with him) reported: The Messenger of Allah (ﷺ) said, "Do not greet the Jews and the Christians before they greet you; and when you meet any one of them on the road, force him to go to the narrowest part of it."

Anas (May Allah be pleased with him) reported: Messenger of Allah (ﷺ) said, "When the people of the Book greet you, respond with: 'Wa 'alaikum' (And upon you)"..

Usamah bin Zaid (May Allah be pleased with him) reported: The Prophet (ﷺ) passed by a mixed company of people which included Muslims, polytheists and Jews, and he gave them the greeting (i.e., saying As- Salamu 'Alaikum)..

Abu Musa Al-Ash'ari (May Allah be pleased with him) reported: The Messenger of Allah (ﷺ) said, "Permission is to be sought thrice. If permission is granted, you may enter; otherwise, go back."

Sahl bin Sa'd (May Allah be pleased with him) reported: The Messenger of Allah (ﷺ) said, "Seeking permission to enter (somebody's house) has been prescribed in order to restrain the eyes (from looking at something we are not supposed to look at)."

Rib'i bin Hirash (May Allah be pleased with him) reported: A man of Banu 'Amir tribe has told us that he had asked the Prophet (ﷺ) for permission to enter when he was at home. He said: "May I enter?" the Messenger of Allah (ﷺ) said to the servant, "Go out and instruct him about the manner of seeking permission. Tell him to say: As-Salamu 'Alaikum (may peace be upon you). May I come in?" The man heard this and said: "As-Salamu 'Alaikum (may peace be upon you). May I come in?" The Prophet (ﷺ) then granted him permission and he entered..

Anas (May Allah be pleased with him) reported in the course of his famous Hadith pertaining to Al-Isra' (the Ascension) that Messenger of Allah (ﷺ) said, "Then Jibril (Gabriel) ascended along with me to the nearest heaven and requested for the gate to be opened. He was asked: `Who is there?' He replied: `Jibril.' He was asked: `Who is with you?' He said: `Muhammad.' Then he ascended to the second heaven and requested for the opening of the gate. He was asked: `Who is there?' He said: `Jibril.' He was asked: `Who is with you?' He replied: `Muhammad.' In the same way he ascended to the third, fourth and all the heavens (i.e., until the seventh). At all of the gates he was asked: `Who is there?' He replied: Jibril.'''