“We all have possibilities we don’t know about. We can do things we don’t even dream we can do.” ~ Dale Carnegie (November 24, 1888 to November 1, 1955)
Dale Carnegie was an American author, lecturer, and educator. Carnegie was famous for his book How to Win Friends and Influence People (1936) and for his courses on self-improvement.
[Source for quotation: @motivatquotes tweet on Twitter December 16, 2010. Dates and biographical information from Wikipedia, accessed December 19, 2010.]