مختصر صحيح بخاري
Mukhtasar Sahih Bukhari
Few should greet the many.
Narrated from Sayyiduna Abu Hurairah (may Allah be pleased with him) that the Noble Prophet (peace and blessings of Allah be upon him) said: "The younger should greet the older, the one who is walking should greet the one who is sitting, and a smaller group should greet a larger group."
A rider should greet a walker.
Narrated from Sayyiduna Abu Huraira (may Allah be pleased with him) that the Noble Prophet (peace and blessings of Allah be upon him) said: "The rider should greet the one who is walking, the one who is walking should greet the one who is sitting, and the smaller group should greet the larger group."
Greet everyone, whether known or unknown.
Narrated from Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) that a man asked the Messenger of Allah (peace and blessings of Allah be upon him), "Which deed of Islam is the best?" He (peace be upon him) replied: "Feeding (the needy) and greeting everyone—those whom you know and those whom you do not know, in short, greeting all (Muslims)."
Permission is required to prevent looking inside.
Narrated from Sayyiduna Sahl bin Sa’d (may Allah be pleased with him) that the Messenger of Allah (peace and blessings of Allah be upon him) was scratching his head with a needle in his house, when a man peeped through a hole (which was in the wall of the house). The Prophet (peace be upon him) said:“If I had known that you were peeping, I would have poked this needle into your eye. O good man! Why has the command to seek permission been given? It is so that the gaze may not fall (unlawfully).”
Other body parts can commit zina besides the private parts.
Sayyiduna Ibn Abbas (may Allah be pleased with them both) said that the Prophet Muhammad (peace and blessings be upon him) said: "Allah has written for the children of Adam their share of adultery, which they will inevitably commit. The adultery of the eye is looking (at what is forbidden), the adultery of the tongue is speaking (about it), and the soul desires and wishes, and the private part either confirms that desire or denies it."
Greeting young boys.
Narrated from Sayyiduna Anas bin Malik (may Allah be pleased with him) that he passed by some children (who were playing), so he greeted them with Salam and said that the Noble Prophet (peace and blessings of Allah be upon him) used to do the same.
When asked "Who is it?" say "It's me."
Narrated by Sayyiduna Jabir bin Abdullah (may Allah be pleased with him): My father had some debt, so I came to the Prophet (peace and blessings of Allah be upon him) regarding it (to inquire about something) and knocked at the door. The Prophet (peace and blessings of Allah be upon him) said from inside: "Who is it?" I said, "It is me." The Prophet (peace and blessings of Allah be upon him) said: "'It is me, it is me' (i.e., why don't you mention your name?)" It was as if the Prophet (peace and blessings of Allah be upon him) disliked saying "It is me."
Making space in gatherings.
It is narrated from Sayyiduna Ibn Umar (may Allah be pleased with them both) that the Noble Prophet (peace and blessings of Allah be upon him) forbade this: "No person should make another stand up from his seat in a gathering and then sit in his place (but you yourselves should make room in gatherings)."
Sitting with knees up and arms around them.
Narrated from Sayyiduna Ibn Umar (may Allah be pleased with them both) that: I saw the Messenger of Allah (peace and blessings of Allah be upon him) sitting in the courtyard of the Ka'bah (in a certain direction) in such a way that he (peace be upon him) had clasped his knees with both of his hands.
If more than three are present, two may converse privately.
Narrated from Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) that the Noble Prophet (peace and blessings of Allah be upon him) said: "When you are three people in one place, then two of you should not whisper to each other excluding the third, until there are more people, so that (the third) does not feel distressed."