how long to sing this song?

There are things I'm not allowed to speak of. Things I can't say because of the place I have put myself in. Am I bad? Should I speak what I know? If you knew something that could hurt a lot of people, not physically but in so many other ways... would you tell them? Even if someone might retaliate against you? I know what I should do. And I know that I probably won't do it.