´It was narrated from Abdullah bin Hubshi Al-Khath'ami that:` The Prophet [SAW] was asked: "Which deed is best?" He said: "Faith in which there is no doubt, Jihad in which there is no Ghulul, and Hajjatun Mabrur."
Hadith ReferenceSunan an-Nasa'i / The Book Of Faith and its Signs / Hadith: 4989