Cryptoquote

E O P A R V G Y P R H Y A U E P Y M R P A L A U K M N P S Y P Y Y S U Y M S Y A R X Y E F H Y L Y P E Q Q E F H N E R G . - - U Y M H L Q E H I

Instructions: Each letter in the puzzle is substituted for another. Type your guesses into the gray boxes above each letter.