The Testament to Faith: Forty Hadith on the Virtues of la ilaha illa Allah

The Testament to Faith: Forty Hadith on the Virtues of La ilaha illa Allah is a concise religious work that gathers forty prophetic sayings focusing on the meaning, importance, and spiritual power of the declaration of Islamic monotheism. The book explains how this testimony shapes belief, purifies the heart, and guides a Muslim’s actions, emphasizing sincerity, faith, and reliance on God.