[PW] Voltaire Quote

[Fred Shapiro]

Is anyone able to provide any information about the following quotation, 
said to be by Voltaire:

"Doubt is not a pleasant condition but certainty is an absurd one."

Fred Shapiro


--------------------------------------------------------------------------
Fred R. Shapiro                             Editor
Associate Librarian for Collections and     YALE BOOK OF QUOTATIONS
   Access and Lecturer in Legal Research     Yale University Press
Yale Law School                             ISBN 0300107986
e-mail: fred.shapiro at yale.edu               http://quotationdictionary.com
--------------------------------------------------------------------------