As to why God has allowed suffering for a time and how he will bring it to an end, please see chapter 8 and chapter 11 of the book What Does the Bible Really Teach
या प्रश्‍नांची उत्तरं जाणून घेण्यासाठी यहोवाच्या साक्षीदारांद्वारे प्रकाशित बायबल नेमके काय शिकवते?