Sun Tzu Quotes
The grounds are accessible, entrapping, stalemated, narrow, steep, and expansive. If you can go through but the enemy cannot, it is called accessible. For accessible ground, first take the high and the sunny side, and convenient supply routes. You then do battle with the advantage. If you can go through but difficult to go back, it is called entrapping. For entrapping ground, if the enemy is unprepared, advance and defeat him. If the enemy is prepared, and you advance and are not victorious, it will be difficult to go back; this is disadvantageous. If it is not advantageous to advance or for the enemy to advance, it is called stalemated. For stalemated ground, though the enemy offers you advantage, do not advance. Withdraw. If you strike them when half has advanced, this is advantageous. -- Sun Tsu, "The Art of War"