Quote by Terry Pratchett
Always be wary of any helpful item that weighs less than its operating manual.
Summary
This quote emphasizes the need for caution when dealing with complex or technologically advanced products. It suggests that if the instruction manual of a device is heavier than the device itself, one should be cautious of its potential drawbacks or challenges. It highlights the importance of thoroughly understanding how to properly operate and maintain something, as a lack of knowledge or understanding can lead to unexpected consequences or difficulties.