Abu Huraira reported: The Prophet, peace and blessings be upon him, was asked, “What is the best deed?” The Prophet said, “Faith in Allah and His Messenger.” It was said, “Then what?” The Prophet said, “Jihad in the way of Allah.” It was said, “Then what?” The Prophet said, “A blessed Hajj pilgrimage.”
Source: Ṣaḥīḥ al-Bukhārī 1519, Ṣaḥīḥ Muslim 83
Grade: Muttafaqun Alayhi (authenticity agreed upon) according to Al-Bukhari and Muslim
عَنْ أَبِي هُرَيْرَةَ قَالَ سُئِلَ النَّبِيُّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ أَيُّ الْأَعْمَالِ أَفْضَلُ قَالَ إِيمَانٌ بِاللَّهِ وَرَسُولِهِ قِيلَ ثُمَّ مَاذَا قَالَ جِهَادٌ فِي سَبِيلِ اللَّهِ قِيلَ ثُمَّ مَاذَا قَالَ حَجٌّ مَبْرُورٌ
1519 صحيح البخاري كتاب الحج باب فضل الحج المبرور
83 صحيح مسلم كتاب الإيمان باب بيان كون الإيمان بالله تعالى أفضل الأعمال