“Mistakes are a great educator when one is honest enough to admit them and willing to learn from them”

 Denis Waitley quotes (American motivational Speaker and Author of self-help books. b.1933)

 Albert Einstein quotes (German born American Physicist who developed the special and general theories of relativity. Nobel Prize for Physics in 1921. 1879-1955)

 Elbert Hubbard quotes (American editor, publisher and writer, 1856-1915)

 John Powell quotes