Bismillah...
ALLAH'S Apostle was askeed, What is the best deed? He replied, To believe in ALLAH & His Apostle (Muhammad). The questioner then asked, What is the next (in goodness)? He replied, To parti te in Jihad (religious fighting); in cause of ALLAH. The questioner again asked, What is the nexxt (in goodness)? He replied, To perform Hajj, Mubrur, (which accepted by ALLAH) & is perform with the intention & not to show off & without committing sin & in accordance with the traditions of the Prophet. .
-Narrated by: Abbub Huraira, vol. 1, book 2, 25.