Fill in the squares so that each row, column, and box contain the letters 'A' through 'Y'

Find the hidden message! The hidden message is a quote from a famous person, and is more
than 12 words long. Find the quote, and then go to www.4puz.com/last-name-of-personlast-word-of-quote'.
For example, Mark Twain said "Facts are stubborn things, but statistics are more pliable". If this quote were found in the
puzzle, you would go to www.4puz.com/twainpliable.