"By the One in Whose Hand is my soul, you will not enter Paradise until you believe, and you will not believe until you love one another. Shall I not tell you of something which, if you do it, you will love one another? Spread (the greeting of) peace among yourselves.'"
Sunan Ibn Majah Book 33, Hadith 36
← Previous Hadith "No person who mistreats his slave will enter Paradise." They said: " O Messenger of Allah, did you not tell us that this nation will have more slaves and orphans than any other nation?" He said: " Yes, so be as kind to them as you are to your own children, and feed them with the same food that you eat." They said: "What will benefit us in this world?" He said: "A horse that is kept ready for fighting in the cause of Allah, and your slave to take care of you, and if he performs prayer, then he is your brother(in Islam)."

Sunan Ibn Majah Book 33, Hadith 35 Next Hadith → "Our Prophet(ﷺ) commanded us to spread (the greeting of) peace."

Sunan Ibn Majah Book 33, Hadith 37