speaking, he preached brotherhood between all schools of thought in Islam. However, he criticized what he perceived as errors such as superstitions coming from popular Sufism. As Christianity was the second biggest religion in Egypt, he devoted special efforts towards friendship between Muslims and Christians. He had many Christian friends and many a time he stood up to defend Copts. During the Urabi revolt, some Muslim mobs had misguidedly attacked a number of Copts resulting from their anger against European colonialism. Abduh also had meetings in Baghdad with the son of the Baháʼí Faith's founder and then spiritual leader, Abdu'l Baha, who he had a generally positive view of - although it was asserted by his students that he was unaware of the extra-Quranic religious scripture or status of Baha'ullah as a prophet in the faith and viewed it as a reformation of Shi'ism.