Knowledge exists potentially in the human soul like the seed in the soil; by learning the potential becomes actual.
Al-GhazaliMan's nature is made up of four elements, which produce in him four attributes, namely, the beastly, the brutal, the satanic, and the divine. In man there is something of the pig, the dog, the devil, and the saint.
Al-GhazaliNever have I dealt with anything more difficult than my own soul, which sometimes helps me and sometimes opposes me.
Al-Ghazali