آبا
In 1870, his family moved again in search for timber, this time to Aba Island on the White Nile south of Khartoum. On Aba Island, Muhammad Ahmad built a mosque and started to teach the Qur'an. He soon gained a notable reputation among the local population as an excellent speaker and mystic. The broad thrust of his teaching followed that of other reformers: his Islam was one devoted to the words of Muhammad and based on a return to the virtues of strict devotion, prayer, and simplicity as laid down in the Qur'an.