The word Sincerity and achieving its meaning by Rajab Al-Hanbali

Kalimat al-Ikhlas wa Tahqiq Ma'naha (The Word of Sincerity and the Realisation of Its Meaning)”* by *Ibn Rajab al-Hanbali* is a religious book that focuses on explaining and clarifying the concept of *“There is no god but God”*, the word that forms the foundation of Islamic belief and the greatest pillar of monotheism (tawhid). The book seeks to clarify the deep meaning of this word, drawing on the Holy Quran and the Prophetic Sunnah, while showing its impact on a Muslim's life.

In the book, the author reviews how to realise faith in the meaning of the word of sincerity in the heart and in action, and how this word becomes the basis for realising monotheism in every aspect of life. The book also discusses the importance of this word in the relationship between the servant and his Lord, presents concepts from the understanding of tawhid, and warns against common mistakes in understanding the meaning of “There is no god but God”.

With its easy and accessible style, the book is an important reference for Muslims seeking to understand and apply this great word, which is the key to monotheism and to servitude to God.