Helen Keller Quotes about Success
Helen Keller's Address to the American Association to Promote the Teaching of Speech to the Deaf, July 8, 1896.
"To Live, to Think, to Hope: Inspirational Quotes by Helen Keller".
Let Us Have Faith (1940)
Helen Keller (1920). “Out of the Dark: Essays, Lectures, and Addresses on Physical and Social Vision”
Helen Keller (2011). “To Live, to Think, to Hope: Inspirational Quotes by Helen Keller”, p.154, Matthew Gordon