Simplify the following text for a Grade 8 native English-speaking person.
Original: David Hume ( 7 May 1711 ( 26 April O.S. ) â `` 25 August 1776 ) was a Scottish philosopher , historian , economist , and essayist , known especially for his philosophical empiricism and skepticism .
Simplified: David Hume ( 7 May 1711 - 25 August 1776 ) was a philosopher and historian from Scotland .