He wrote a number of works on theology, philosophy and law.

During his college days, he also wrote extensively on history, sociology, philosophy, politics and literature.

I had been forming some plans, which included writing a book on modern philosophy.

He has written 12 books and countless articles on philosophy.

He wrote extensively on natural philosophy and ethics, of which little remains.

After his retirement from politics he wrote several books on philosophy.

He was formerly a philosopher who wrote on philosophy for a general audience.

He has written on philosophy, mathematics and a variety of fictional works.

He also wrote numerous books on philosophy, aesthetics, and Islam.

Else wrote several other works on Greek literature and philosophy.