Star Wars Day: What does 'May the 4th be with you' mean – and what is the proper response?

mirror.co.uk:

Star Wars Day is an unofficial holiday observed in honour of the franchise which has millions of the fans all over the world.

It’s an annual tradition for Star Wars fans to use the phrase “May the 4th be with you” on May 4, because it resembles one of the most iconic phrases in the franchise.

But what does the original phrase mean? The pun you might year today is based on the phrase “May the Force be with you”, which is a phrase from the Star Wars universe used to wish an individual or group good luck or good will.

The speaker is wishing that the Force will work in favour of the addressee. Obi-Wan Kenobi explains the Force: “Well, the Force is what gives a Jedi his power.