If you are a creative person it means you are producing things. But what do you do with them? If you're like me and are too embarrassed to post anything you do (both good and bad) from photos to thoughts to sketches, the answer is not to hide them, but to share more.
Rather than sit on old ideas and projects that are "not ready", "the right time" or any other excuse, post up. It's something I am bad at, but am working on. If I died today and could never post again I'd regret not having shared more.
Part of it is trusting your voice, keeping your output positive, and knowing that what you say has a potential for impact. I want to be a positive impact and I think my creativity is worth sharing. Maybe it's not humble to think that, but, sitting on everything is a terrible way to have any influence.