What are the hadiths about belief in Allah (Swt)? Examples of hadiths about belief in Allah (Swt)…
Anas b. Malik (ra) reported that when Muʿadh (ra) was riding behind the Messenger of Allah on his mount, the Prophet (saw) said, “O Muʿadh b. Jabal!” Muʿadh replied, “At your service, O Messenger of Allah!” Again the Prophet (saw) said, “O Muʿadh!” Muʿadh said three times, “At your service, O Messenger of Allah!” The Prophet (saw) said, “Whoever testifies sincerely from his heart that there is no god but Allah and Muhammad is His messenger, Allah will save him from Hell fire.” ( al-Bukhari, al-ʿIlm, 49)
According to Anas b. Malik (ra), the Prophet (saw) said, “There are three qualities for which anyone who has them will relish the sweetness of faith: he to whom Allah and His Messenger are dearer than all else; he who loves a man for Allah’s sake alone; and he who has as great an abhorrence of returning to unbelief after Allah has rescued him from it as he has of being cast into Hell.” (Muslim, al-Iman, 67)
According to Abu Hurayra (ra), the Messenger of Allah (saw) said, “Whoever says “Lā ilāha illā Allāh waḥdahu lā sharīka lahu, lahu ’l-mulku wa lahu ’l-ḥamdu wa huwa ‘alā kulli shayʾin qadīr, (There is no god but Allah alone, He has no partners, to Him belongs dominion and to Him belongs all praise, and He is All-Powerful)” one hundred times (once a day) will get the same reward as given for freeing ten slaves; and one hundred good deeds will be written in his account, and one hundred sins will be deducted from his account, and it (his saying this) will be a shield for him from Satan on that day until night, and no one will be able to do a better deed except the one who does more than he.” (al-Bukhari, al-Daʿawat, 64)
Muʿadh b. Jabal (ra) reported, “We were returning with the Messenger of Allah (saw) from the campaign to Tabuk. When I saw him alone, I said to him, ’O Messenger of Allah! Tell me an action which will enable me to enter Paradise.’ The Prophet (saw) replied, ’Good for you. You have asked a very important question. However, this is easy for those whom Allah makes it to be easy. It is to perform the obligatory prayer, to pay the obligatory alms, and to believe in Allah without associating any partners with Him…’”
(Ibn Hanbal, V, 237)
According to Abu Hurayra (ra), the Messenger of Allah (saw) said, “Faith has seventy-odd branches the most excellent of which is the declaration that there is no god but Allah, and the humblest of which is the removal of something harmful from the road: and modesty is a branch of faith.”(al-Nasaʾi, al-Iman, 16; M153, Muslim, al-Iman, 58)
Source: Presidency Of Religious Affairs The Turkey, Islam Through Hadiths