A famous work of Abu Hamed al-Ghazali (1058-1111 CE), in a four volume set containing guidelines for acts of worship and guidelines for the Muslim individual in daily life. Imam Ghazali covers the ethical, and inner dimensions of spiritual life as well as the outer dimensions. His masterpiece 'The Revival of Religious Sciences' is considered to be one the best works of its kinds and set the standard for later works of its nature.