Football is simple. You are in time or too late. When you are too late, you should start sooner.
Football is a simple game. It's just very hard to play it simple.
Football is simple, you're either on time, or you're too late. If you're too late then you have to leave earlier.
Football is simple but the hardest thing to do is play simple football.
It's all very simple: if you score one more than your opponent, you win.
Playing football is very simple, but playing simple football is the hardest thing there is.