It is better to do something average than to wait until it is too late to do something spectacular.
I actually made that up, and I don’t mean to imply that you should aim for mediocrity. It’s certainly best to try to always do something spectacular. But sometimes I find myself spending forever trying to get something “just right,” before I realize that whatever I’m working on is losing relevance.
I can’t remember the source, but someone once told me that a book is never finished, but that the publisher eventually forces the author to send it to the presses.
Work towards something spectacular, but don’t lose sight of the fact that something spectacular that never gets released is, essentially, nothing at all.