An in-depth explanation of Quranic verses of Surah Al-Nazi’at (Chapter 79) verses 40 to 47 and Surah `Abasa (Chapter 80) and Surah Al-Takwir (Chapter 81) by Hazrat Mirza Tahir Ahmad, Khalifatul Masih IV (rh). Class no. 299 recorded on February 3, 1999.