Page "Étienne Bonnot de Condillac" Paragraph 2

In both cases the profession was hardly more than nominal, and Condillac's whole life, with the exception of an interval as tutor at the court of Parma, was devoted to speculation.

His works are ( 1746 ), ( 1749 ), ( 1754 ), ( 1755 ), a comprehensive Cours d ' études ( 1767 – 1773 ) in 13 vols., written for the young Duke Ferdinand of Parma, a grandson of Louis XV, ( 1776 ), and two posthumous works, ( 1781 ) and the unfinished ( 1798 ).