I might note that the quote is a work by committee:
Jefferson's "original Rough draught" is on exhibit in the Library of Congress.[4] This version was used by Julian Boyd to create a transcript of Jefferson's draft,[5] which reads:
We hold these truths to be sacred & undeniable; that all men are created equal & independent, that from that equal creation they derive rights inherent & inalienable, among which are the preservation of life, & liberty, & the pursuit of happiness; ...
http://en.wikipedia.org/wiki/L...pursuit_of_Happiness