Original sentence: He is best known for his work on the social and political role of Islamic fundamentalism, particularly in his books Social Justice and Ma'alim fi-l-Tariq (Milestones)
Edited sentence: He is best known as "the man whose ideas would shape Al Qaeda",  and for his work on the social and political role of Islamic fundamentalism, particularly in his books Social Justice and Ma'alim fi-l-Tariq (Milestones)