Hadith 2430
Sayyiduna Abu Hurairah (may Allah be pleased with him) said: The Messenger of Allah (peace and blessings of Allah be upon him) was asked: Which deed is the best? He replied: “To have faith in Allah and His Messenger.” It was asked: Which deed is best after that? He said: “Jihad in the way of Allah.” It was asked: Which deed is best after that? He said: “A Hajj that is accepted (by Allah).”