Poker is unlike almost any other game, in that being successful is not just a measure of how you play the cards that you are dealt…being successful in Poker is also a measure of the cards that you choose NOT to play. Poker is a game that rewards players that know when to quit. You can see this in the fact that a professional poker player will only choose to play a mere 15-25% of the starting cards that they are dealt, while an amateur will choose to play over 50%.