It's also "liberating" to stand up and concede the obvious: it should always be made clear that an excerpt is an excerpt, and/or where it came from, regardless of whether the passage is included somewhere in the article. It doesn't take a whole lot of time or energy to, at the very least, include the words "From the article:". It is LAZY and inconsiderate not to do so.
You still haven’t clicked the link, have you. Tsk-tsk.