Just because you aren't given the credit and haven't been recognised for your work doesn't mean you have to give up or stop. You don't always need credit, other people do not always have to know what you are capable of doing as long as you do.
Small Daily Motivation Quotes: Success is such a personal thing. YOU get to decide what success is for YOU. It can mean so many different things for different people. But, not only do you get to define it, you have to do the work required to reach it.