Dr. Bilal Philips, Founder and Chancellor of Islamic Online University. Presenting a series of lecture during his Itikaaf at Masjid Abu Darda, Doha – Qatar. He is talking about the principles of Itikaaf in general concerning with the topic of Bathroom and Eating Etiquettes; The Companions of the Prophet; The Quran, Sunnah and Sahabah; The Taharah (cleanliness and purification).