Sayyiduna Abu Hurayrah (may Allah be pleased with him) said that a man asked the Messenger of Allah (peace and blessings be upon him): Which deeds are the best? He (peace and blessings be upon him) said: "Faith in Allah." He asked: Then which deed is best? He (peace and blessings be upon him) said: "Jihad in the path of Allah." He asked: Then which? He (peace and blessings be upon him) said: "An accepted Hajj."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحج / 10389