" Thermodynamics is like playing Poker

1st Law: you cannot win more that the money on the table. •==> the sum of the money in the players pockets at the end of the game cannot exceed the sum of the money in the players pocket at the start of the game

2nd Law; the house (the universe) always takes a cut===> the sum of the money in the players pockets at the end of the game is less that the sum of the money in the pockets of the players at the start of the game. Because, the house took some of the money (entropy )"