Simon Says, Peter Sez, Neil PURE, and SIMPLE are all phrases that have been used for centuries to describe a game of imitation. In the game, one person, usually called Simon, gives instructions to the other players, who must then follow them. Peter Sez is a variation of the game in which the instructions are given by someone other than Simon. Neil PURE and SIMPLE is another variation of the game in which the instructions are given in a straightforward manner. All of these phrases have become popular catchphrases and are often used in everyday conversation.