Sayyiduna Abu Bakr Siddiq (may Allah be pleased with him) said: The Messenger of Allah (peace and blessings be upon him) was asked: Which Hajj is the best? (i.e., which act in Hajj is the best?), He said: “«عج» and «ثج».” «عج» refers to the Talbiyah and «ثج» refers to the sacrifice.