It seems like you're sharing a phrase or saying, and then some random characters.
"Garbage in; garbage out" is indeed a common idiom that means that if you input incorrect or low-quality information into a process, system, or decision, the output will also be of poor quality. This can apply to anything from computer programming to personal relationships!
As for the rest... I think you might have accidentally typed some nonsense characters there! Don't worry about it, though - let's focus on more productive conversations instead!
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