There’s really no excuse not to do this for things you share. It not only allows you to share from a more authoritative source, which is good for society and the economics of publishing, but it allows you provide your readers helpful context. Compare this:
I completely agree! My dad had taught me this lesson when I stated something I read at face value, and explained that just because we are supposed to be able to trust information we read, we have to be sure we can stand behind that information if we are will to spread it, and fully believe in its source.