Sounds like a good advice. Even better if you're good at working with someone else's legacy code who had already left the company. At my first job, it often to

Sounds like a good advice. Even better if you're good at working with someone else's legacy code who had already left the company. At my first job, it often took me several days to find bugs that were often fixed by changing very few lines of code. Nobody would have noticed if I hadn't done anything for a whole day other than answering occasional messages.