I was just a bit surprised at his use of "billions" rather than "millions" which in context seems rather extravagant. Actually google indicates that I am not alone in wondering this.
http://www.telecomtally.com/blog/2006/12/did_mark_twain_1.html Wikiquote <http://en.wikiquote.org/wiki/Mark_Twain>also agrees with me :-) I do not fear death. I had been dead for billions and billions of years before I was born, and had not suffered the slightest inconvenience from it. - Quoted in Dawkins, Richard<http://en.wikiquote.org/wiki/Richard_Dawkins>(2006). "A Much Needed Gap?". *The God Delusion*. Bantam Press. p. 354. ISBN 0-618-68000-4<http://en.wikiquote.org/wiki/Special:BookSources/0618680004> ., but no source is given. *Note that during Twain's life the Age of the Earth <http://en.wikipedia.org/wiki/Age_of_the_Earth> was thought to be measured in tens of millions not billions of years.* -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.

