It was narrated from Abu Hurairah that: "a man entered the masjid, and the Messenger of Allah(ﷺ) was sitting in a corner of the mosque. He prayed, then he came and greeted him with Salam(peace), and he said: 'Wa 'alaikassalm."

It was narrated from Abu Salamah that 'Aishah told him that the Messenger of Allah(ﷺ) said to her: "Jibrail send (greetings of) Salam to you." She said: "Wa 'alahisalam wa rahmatullah (and upon him be peace and mercy of Allah)."

It was narrated that Anas bin Malik said "the Messenger of Allah(ﷺ) said": "When any of the People of the Book greets you with Salam (peace), then say, Wa 'alaikum(and also upon you)."

It was narrated from Aishah that some of the Jews came to the Prophet(ﷺ) and said: "Assam o alaika (death be upon you), O Abul-Qasim!" He said: "Wa 'alayikum (and also upon you)."

It was narrated from Abu 'Abdur-Rahman Al Juhani that the Messenger of Allah(ﷺ) said: "I am riding to the Jews tomorrow. Do not initiate the greeting with them, and if they greet you, then say: Wa 'alaikum (and also upon you)".

It was narrated that Anas said: "The Messenger of Allah(ﷺ) came to us, and we were young boys, and he greeted us with (the greeting of) peace".

Asma bint Yazid said: "The Messenger of Allah(ﷺ) passed by us, among (a group of) women, and he greeted us with (the greeting of) peace."

It was narrated from Bara bin Azib that the Messenger of Allah(ﷺ) said: "There are no two Muslims who meet and shake hands, but they will be forgiven before they part."

It was narrated that Ibn Umar said: "We kissed the hand of the Prophet(ﷺ)."

It was narrated from Safwan bin 'Assal that: "Some people among the Jews kissed the hands and feet of the Prophet(ﷺ)."

It was narrated from Abu Saeed Khudri that Abu Musa asked permission to enter upon 'Umar three times, and he did not give him permission, so he went away.'Umar sent word to him saying: "Why did you go back?" He said: "I asked permission to enter three times, as the Messenger of Allah(ﷺ) enjoined upon us, then if we are given permission we should enter, otherwise we should go back." He said: "You should bring me proof of that, or else!" Then he came to a gathering of his people and asked them to swear by Allah concerning that, and they did so, so he let him go."

It was narrated that Abu Ayyub Ansari said: "We said: 'O Messenger of Allah(ﷺ), (we know) this (greeting of) Salam, but what does seeking permission to enter mean?' He said: 'It means a man saying SubhanAllah, and Allahu Akbar and Al Hamdulillah, and clearing his throat, announcing his arrival to the people in the house."

It was narrated that Ali said: "I had two times of visiting the Messenger of Allah(ﷺ), at night and during the day. If I came to him when he was praying, he would clear his throat (to let me know he was praying)."

It was narrated that Jabir said: "I asked the Prophet(ﷺ) for permission to enter, and he said: 'Who is that?' I said: 'Me'. The Prophet(ﷺ) said " Me, me?!"

It was narrated that Abu Usaid Sa'idi said: "The Messenger of Allah(ﷺ) said to Abbas ibn Abdul Muttalib, when he entered upon them: "Assalamu alaikum'. They said: 'Wa alaikas salamu wa ahmatullahi wa barakatuhu.' He said: 'How are you this morning?' They said: ' Well, praise is to Allah. And how are you this morning, may our fathers and mothers be ransomed for you, O Messenger of Allah?!' He said: 'I am well, praise is to Allah.'"(Daif)

It was narrated from Ibn Umar that the Messenger of Allah(ﷺ) said: "If there comes to you a man who is respected among his own people, then honor him."

It was narrated that Anas bin Malik said: "Two men sneezed in he presence of the Prophet(ﷺ) and he replied (said: YarhamukAllah; may Allah have mercy on you') to one and not to the other. It was said: 'O Messenger of Allah(ﷺ), two men sneezed in your presence and you replied to one and not to the other?' He said: "'This one praised Allah(said Al-Hamdulillah fter sneezing) but that one did not.'"

It was narrated from Ilyas bin Salamah bin Akwa' that his father said: "The Messenger of Allah(ﷺ) said: 'The one who sneezes may be responded to three times; if he sneezes more than that, he has a cold.'"

It was narrated from Ali that the Messenger of Allah(ﷺ) said: "If anyone of you sneezes, let him say: Alhamdulillah (praise be to Allah). Those around him should respond by saying: Yarhamkullah (may Allah have mercy on you). And he should respond by saying: "Yahdikum Allah wa yuslaha balakum (may Allah Guide you and set right your state)."

It was narrated that Anas bin Malik said: "Whenever the Prophet(ﷺ) met a man, he would speak to him, and would not tun away until he (the other man) was the one who turned away. And if he shook hands with him, he would not withdraw his hand until he (the other man) withdrew his hand. And he was never seen sitting with his knees ahead of the knees of the one who was sitting next to him."