"Anyone who is not shocked by quantum theory has not understood it."

[..] The Many-Worlds theory also certainly contradicts the idea of Occam's razor, that the simplest explanation is usually the correct one. Even stranger is the implication by the Many-Worlds theory that time doesn't exist in a coherent, linear motion. Instead, it moves in jumps and starts, existing not as a line, but as branches. These branches are as numerous as the number of consequences to all of the actions that have ever been taken. [..] - How Stuff Works