Sayyiduna Abu Hurayrah (may Allah be pleased with him) said: The Messenger of Allah (peace and blessings be upon him) was asked which deeds are the most excellent. He (peace and blessings be upon him) said: "Faith in Allah and His Messenger." It was asked: Then what? He (peace and blessings be upon him) said: "Jihad in the path of Allah." It was said: Then what? He said: "An accepted Hajj."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب السير / 18483