On the recommendation to shake hands when meeting and having a cheerful face, and kissing the hand of a righteous man and kissing one's child

Riyad as-Salihin (The Meadows of the Righteous)

by Imam Nawawi

143. Chapter: On the recommendation to shake hands when meeting and having a cheerful face, and kissing the hand of a righteous man and kissing one's child out of compassion, embracing the one who arrives from a journey and the dislike of bowing

885. Abu'l-Khattab Qatada said, "I said to Anas, 'Did the Companions of the Messenger of Allah, may Allah bless him and grant him peace, shake hands?' He replied, 'Yes.'" [al-Bukhari]

886. Anas said, "When the people of the Yemen came, the Messenger of Allah, may Allah bless him and grant him peace, said, 'The people of the Yemen have come. They were the first people to employ the handshake.'" [Abu Dawud]

887. Al-Bara' reported that the Messenger of Allah, may Allah bless him and grant him peace, said, "No two Muslims meet and shake hands without being forgiven before they part." [Abu Dawud]

888. Anas said, "A man said, 'Messenger of Allah, when one of us meets his brother or his friend, should he bow to him?' He said, 'No.' He said, 'Should he embrace him and kiss him?' He said, 'No.' He said, 'Should he take his hand and shake it?' He replied, 'Yes.'" [at-Tirmidhi]

889. Safwan ibn 'Assal said, "A Jew said to his companion, 'Let us go to this Prophet.' So they went to the Messenger of Allah, may Allah bless him and grant him peace, and asked him about nine clear signs," and he mentioned the hadith to its end. "They kissed his hand and feet and said, 'We testify that you are a Prophet.'" [at-Tirmidhi]

890. Ibn 'Umar said, "We approached the Prophet, may Allah bless him and grant him peace, and kissed his hand." [Abu Dawud]

891. 'A'isha said, "Zayd ibn Haritha arrived in Madina when the Messenger of Allah, may Allah bless him and grant him peace, was in my room. He came to him and knocked on the door. The Prophet, may Allah bless him and grant him peace, went to him dragging his garment and embraced and kissed him." [at-Tirmidhi]

892. Abu Dharr said, "The Messenger of Allah, may Allah bless him and grant him peace, said to me, 'Do not think little of anything which is right, even meeting your brother with a cheerful face.'" [Muslim]

893. Abu Hurayra said, "The Messenger of Allah, may Allah bless him and grant him peace, kissed al-Hasan ibn 'Ali. Al-Aqra' ibn Habis said, 'I have ten children and I have not kissed any of them.' The Messenger of Allah, may Allah bless him and grant him peace, said, 'Someone who does not show mercy will not be shown mercy.'" [Agreed upon]