Definice a Význam "the only free cheese is in the mousetrap"

What is the origin of the proverb "only free cheese is in the mousetrap" and when to use it?

The proverb "only free cheese is in the mousetrap" has its origin in English-speaking cultures and is often attributed to various folk traditions. The saying warns against being lured by seemingly free or easy opportunities, as they may lead to trouble or unwanted consequences. It serves as a reminder to be cautious and skeptical of offers that come without any clear cost or effort, as there may be hidden risks involved.