After black's reply to 1.e4 with 1..e5, leaves him always trying to get into the game
Howard StauntonEach player, it will be observed, has eight superior Pieces or officers, and eight minor ones which are called Pawns; and, for the purpose of distinction, the Pieces and Pawns of one party are of a different color from those of the other.
Howard StauntonFor touching an adversary's man, when it cannot be captured, the offender must move his King.
Howard Staunton