The word sincerity and achieving its meaning

Translation

The book “The Word of Sincerity and Realization of its Meaning” by Ibn Rajab al-Hanbali, which is one of the books specialized in explaining the meaning of the testimony of monotheism “There is no god but God” and explaining its truth and implications. The book examines the meaning of sincerity in this word, and focuses on the deeds and duties that result from it, while citing the Prophetic hadiths in explaining its virtue and the conditions for its acceptance.