Narrated Zaid bin Thabit:
Abu Bakr As-Siddiq sent for me when the people! of Yamama had been killed (i.e., a number of the Prophet's Companions who fought against Musailama). (I went to him) and found 'Umar bin...
There is none worth of worship but Allah alone, Who has no partner, His is the dominion and to Him belongs all praise, and He is able to do all things. Glory is to Allah. Praise is to Allah. There is none worth of...
-> Read More Info: Whoever says this will be forgiven, and if he supplicates Allah, his prayer will be answered; if he performs ablution and prays, his prayer will be accepted. Al-Bukhari, cf. Al-Asqalani, Fathul-Bari 3/39, among others. The wording here is from Ibn Majah 2/335.