Hadith No: 2
Ahmad ibn Hanbal - Fada'il al-Sahabah - Fada'il of Hasan and Husayn (peace be upon them)
Volume: (2) - Page Number: (767)
1350 - Abdullah narrated to us, who said: My father narrated to me, from Talid ibn Sulayman, from Abu al-Jahhaf, from Abu Hazim
from Abu Huraira, who said: The Prophet (peace be upon him and his holy progeny) looked at Ali, Hasan, Husayn, and Fatimah, peace be upon them, and said: "I am at war with those who wage war on you and at peace with those who are at peace with you."