Charles-Louis de Secondat , Baron de La Brède et de Montesquieu ( \ / ˈmɒntɨskjuː \ / ; French : ( mɔ̃tɛskjø ) ; 18 January 1689 - 10 February 1755 ) , generally referred to as simply Montesquieu , was a French social commentator and political thinker who lived during the Age of Enlightenment .
Charles-Louis de Secondat , Baron de La Brède et de Montesquieu ( January 18 , 1689 - February 10 , 1755 ) , was commonly known as Montesquieu .