Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) narrates that the Noble Prophet (peace and blessings be upon him) said: Among the signs of the Hour is that a man will greet another man with Salam only because of acquaintance.

Sayyiduna Abu Tamimah Hijimi (may Allah be pleased with him) narrates from a man of his tribe, who says: I met the Prophet Muhammad (peace and blessings be upon him) on a road in Madinah. He was wearing a cotton waistcloth, the edge of which was spread out. I said: ‘Alaika as-salaam, O Messenger of Allah!’ (Peace be upon you, O Messenger of Allah!) But the Prophet (peace and blessings be upon him) said: Indeed, ‘Alaika as-salaam’ is the greeting for the dead. Indeed, ‘Alaika as-salaam’ is the greeting for the dead. Indeed, ‘Alaika as-salaam’ is the greeting for the dead. Say ‘Salaamun ‘alaikum’, say ‘Salaamun ‘alaikum’. He repeated these words two or three times.

Sayyiduna Imran bin Husain (may Allah be pleased with him) narrates that a man came to the Noble Prophet (peace and blessings be upon him) and said: "As-Salamu Alaikum." The Prophet (peace and blessings be upon him) replied to him and said: He has received ten good deeds. Then another came and said: "As-Salamu Alaikum wa Rahmatullah." The Prophet (peace and blessings be upon him) replied to him, he also sat down, and the Prophet (peace and blessings be upon him) said: He has received twenty good deeds. Then another came and said: "As-Salamu Alaikum wa Rahmatullahi wa Barakatuhu." The Prophet (peace and blessings be upon him) also replied to him, and he also sat down. The Prophet (peace and blessings be upon him) said about him: He has attained thirty good deeds.

A man from Banu Namir narrates from his father, and he from his grandfather, that he came to the Noble Prophet (peace and blessings be upon him) and said: "My father sends you greetings of peace." The Noble Prophet (peace and blessings be upon him) said: "Peace be upon you and upon your father as well."

Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) narrates that the Noble Prophet (peace and blessings be upon him) entered the mosque of Banu Amr bin Awf, Quba, and prayed there. Some men from among the Ansar entered upon him and greeted him with salam. Sayyiduna Suhaib (may Allah be pleased with him) was also with the Prophet (peace and blessings be upon him). I asked Sayyiduna Suhaib (may Allah be pleased with him): When salam was said to the Prophet (peace and blessings be upon him) during prayer, what would he do? He replied: He would gesture with his hand. Sufyan says: I said to a man: Ask Zaid, have you heard from Abdullah bin Wahb? I said: I will ask him. He said: O Abu Usamah! Have you heard from Sayyiduna Abdullah bin Umar (may Allah be pleased with them both)? He said: I have seen him and spoken to him.

Sayyiduna Abdullah bin Umar, may Allah be pleased with them, narrates that the Companion of the Messenger, Sayyiduna Suhaib, may Allah be pleased with him, said: I passed by the Noble Prophet, peace and blessings be upon him, while he was praying. I greeted him with salam, and he, peace and blessings be upon him, responded to me by gesturing. The narrator says: I think he mentioned that he gestured with his finger.

It is narrated from Sayyiduna Ammar bin Yasir, may Allah be pleased with him, that he said: I came to the Noble Prophet, peace and blessings be upon him, while he was performing prayer. I greeted him with salam, and he, peace and blessings be upon him, replied to my salam.

It is narrated from Sayyiduna Ibn Jabir (may Allah be pleased with him), he says: I went to the Noble Prophet (peace and blessings be upon him) while he (peace and blessings be upon him) was urinating. I said: "Peace be upon you, O Messenger of Allah!" but he (peace and blessings be upon him) did not reply. I said again: "Peace be upon you, O Messenger of Allah!" but he (peace and blessings be upon him) did not reply. I said again: "Peace be upon you, O Messenger of Allah!" but he (peace and blessings be upon him) did not reply. Then the Noble Prophet (peace and blessings be upon him) walked away, and I followed behind him. He (peace and blessings be upon him) entered his house, and I entered the mosque and sat there in sadness. Meanwhile, the Noble Prophet (peace and blessings be upon him) came to me after he (peace and blessings be upon him) had purified himself. Then he (peace and blessings be upon him) replied to all three greetings, saying: "Peace be upon you and the mercy of Allah," "Peace be upon you and the mercy of Allah," and "Peace be upon you and the mercy of Allah." Then he (peace and blessings be upon him) said: "O Abdullah! Shall I tell you the best Surah of the Holy Qur'an?" I said: "Yes, of course, do tell me, O Messenger of Allah!" He (peace and blessings be upon him) said: "Recite 'All praise is due to Allah, Lord of the worlds' until you complete it."

Sayyiduna Abu Hurairah (may Allah be pleased with him) narrates that the Noble Prophet (peace and blessings be upon him) said: When any of you reaches a gathering, he should say salam. If he intends to sit, he may sit down, and if he stands up to leave while the people are still sitting, then he should say salam when leaving as well. The salam at the time of arrival is not more important than the salam at the time of departure (i.e., one should say salam both when arriving and when leaving; both are equally important).

Sayyiduna Mu’adh bin Anas al-Juhani (may Allah be pleased with him) narrates that the Noble Prophet (peace and blessings be upon him) said: Whoever comes to a gathering, it is his duty to say salam, and whoever stands up to leave a gathering, it is also his duty to say salam when leaving. Meanwhile, a man stood up to leave, and since the Noble Prophet (peace and blessings be upon him) was still engaged in conversation, he left without saying salam. The Prophet (peace and blessings be upon him) said about him: He has forgotten the matter very quickly.