Dr. Aid al-Qarni is a prominent Saudi Islamic scholar, author, and speaker, best known for his motivational and spiritual writings. He has written numerous books on Islamic teachings, personal development, and overcoming life’s challenges. His most famous work is Don't Be Sad (La Tahzan), a bestseller that offers advice on dealing with adversity, finding inner peace, and strengthening one’s faith in God. Dr. al-Qarni's works focus on uplifting individuals spiritually, promoting a life of purpose, optimism, and faith-based resilience. He is widely respected in the Arab world and beyond for his impactful messages of hope and personal empowerment.