The Force is what gives the Jedi his power. The Jedi can feel The Force flowing through him.
The Force can have a powerful effect on the weak minded.
George Lucas made three good movies about The Force but became so full of shit he started making toy marketing tie-in movies starring such offensive cuteness as Ewoks and equally offensive ugliness as Jar Jar Binks.
And the midichlori- That word doesn't exist.
Mormon science fiction writer Orson Scott Card said of The Force that "It's one thing to put your faith in a religion founded by a real person who claimed divine revelation, but it's something else entirely to have, as the scripture of your religion, a storyline that you know was made up by a very nonprophetic human being."
 Similarities in household items
Duct tape is like the Force. It has a light side, it has a dark side, and it holds the galaxy together.