Quote by Terry Pratchett
One of the universal rules of happiness is: always be wary of any helpful item that weighs less than its operating manual.
Summary
This quote emphasizes the importance of careful consideration when evaluating the value or usefulness of something that appears to be helpful but lacks clear instructions or guidance. It suggests that items or solutions may seem convenient or beneficial on the surface, but without proper guidance and understanding, they can lead to confusion or disappointment. Thus, it encourages a cautious approach to avoid potential frustration or negative consequences in the pursuit of happiness.