Was Voltaire wrong about William Penn's 1683 treaty with the Lenape Indians? edit

There is a discussion here about William Penn's 1683 treaty with the Lenape Indians, and specifically whether Voltaire's famous quote ("...a treaty never written, never broken") from his 1764 Dictionnaire philosophique was incorrect. Could someone please take a look at it? Thanks! --Guy Macon (talk) 16:51, 3 May 2014 (UTC)Reply