Hadith 516300
Chapter 47: Good Character - كتاب حسن الخلق
وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ عَطَاءِ بْنِ أَبِي مُسْلِمٍ عَبْدِ اللَّهِ الْخُرَاسَانِيِّ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " تَصَافَحُوا يَذْهَبِ الْغِلُّ وَتَهَادَوْا تَحَابُّوا وَتَذْهَبِ الشَّحْنَاءُ " .
Yahya related to me from Malik from Ata ibn Abi Muslim that Abdullah al-Khurasani said, "The Messenger of Allah, may Allah bless him and grant him peace, said, 'Shake hands and rancour will disappear. Give presents to each other and love each other and enmity will disappear.' "
Reference Muwatta Malik 516300
USC-MSA web (English) reference : Book 47, Hadith 16