Sayyiduna Mu'adh bin Jabal (may Allah be pleased with him) narrates from the Messenger of Allah (peace and blessings be upon him), which he (peace and blessings be upon him) reports from Allah, the Mighty and Majestic, that Allah Almighty said: "My love is due to those who love one another for My sake, sit together, and give to one another."
Hadith Referenceالمعجم الكبير للطبراني / باب الميم / 17289