Sebelum masuk islam ia bernama Abdul Ka’ab, lalu Rasulullah menamainya Abdullah. Ia digelari Ash-Shiddiq (yang membenarkan), biasa dipanggil Abu Bakar. Selain itu, ia juga digelari Al-Atiq1 (yang dibebaskan). Ia lahir di Makkah dua tahun beberapa bulan setelah kelahiran Nabi Muhammad Shallallahu Alaihi wa Sallam.
That dua, which the Prophet Muhammad (pbuh) taught Abu Bakr (r.a) to recite in prayers, and according to some narrations to read in his house, should be read anywhere, anytime and on every occasion. Thanks to that concise dua, man confesses his sinfulness very sincerely, mentions his need for the forgiveness of his Lord, and expresses his
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