Why can't I style my text when inserting it from a source outside of fluther?

Here are examples:

The more effort you make, the better answers you will get. (text from fluther)

“Sometimes you’re the windshield, sometimes you’re the bug.” ::Mary Chapin Carpenter (text from my notepad)

Nearly 15% of men and 30% of women booked into jails have a serious mental health condition, the National Alliance on Mental Illness estimates. (text from article on usatoday.com)

Ok, so I copied text from fluther, text from my notepad, and text from an outside source. But it made a liar out of me! Why-oh-why did it work here, but doesn’t when I’m responding to a post?!