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.
7 things that will destroy us. wealth without work pleasure without conscience knowledge without character religion without sacrifice politics without principle science without humanity business without ethics - Mahatma Gandhi
awesome Learn to love without condition. Talk without bad intention. Give without any re. Learn to love without condition. Talk without bad intention. Give without any reason. And most of all, care for people without any expectation.