Imagine... Yoko Ono's advice to artists and musicians: "Just keep creating"
She may have got some laughs when she rambled on about the "wide ocean" that we consider the universe, but she made a very good point. Just to paraphrase a fair bit: if you are creating and getting your ideas and work out there, it's influencing somebody or something, somewhere and somehow. Never think that it's not reaching anybody.
If we start off small, we're going to have some sort of impact... which might end up being bigger than we could imagine