PROSPECTUS. 163 



three men — Moses, Jesus, and Mahomet — who, what- 

 ever may have been their faults, are entitled to the 

 eternal gratitude of the human race. Then, resuming 

 the history of Africa, I shall follow the course of Islam 

 over the Great Desert into the Soudan, and shall de- 

 scribe its progress in that country by means of the 

 sword and of the school, something of which I have 

 seen and studied under both forms. 



