The Messenger of Allah ﷺ said, "Spread the greeting of peace, feed others, and be brothers as Allah has commanded you."
أن رسول الله ﷺ قال: أفشوا السلام، وأطعموا الطعام، وكونوا إخوانا كما أمركم الله عز وجل.
Ibn Majah (3252) and Ahmad (6450) both narrated it through Ibn Jurayj, who said, Sulayman bin Musa said to me, Nafi narrated to us that Ibn Umar said, and he mentioned it. Its chain is hasan because of Sulayman bin Musa, who is Ashdaq, for his hadith is hasan.