After black's reply to 1.e4 with 1..e5, leaves him always trying to get into the game
Howard StauntonWhen a Piece or Pawn is in a situation to be taken by the enemy, it is said to be en prise. To put a piece en prise, is to play it so that it may be captured.
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 Staunton