The first of the Poker rules is that in a 52 card deck, the dealer should shuffle and deal the cards randomly. It is this rule which is a build up to the foremost Poker strategy. Landing cards with the highest hand value sets you up for a win almost instantaneously, as opposed to landing the lower value cards within the deck.
How well you master the Poker rules and the card hand combinations is what sets apart the beginners. Pros generally study the game, and with the use of Poker strategies, make landing a winning hand look easy.