“What lies behind us and what lies before us are tiny matters compared to what lies within us.” ~ Ralph Waldo Emerson (May 25, 1803 to April 27, 1882)
Ralph Waldo Emerson was a public intellectual, lecturer, essayist, poet, and abolitionist. He was friend and mentor to Henry David Thoreau.
[Source: InspireQuotes1 tweet on Twitter, December 10, 2010. Dates and biographical information from Wikipedia, accessed December 11, 2010. Biographical information partially known to me.]