There's also a third option:
As you are reading posts in a thread, as you come across posts that you want to quote, click the
button in the lower right corner of each post. The icon will change to a
and the quotes will be queued up in a reply box. They're even spaced out so you can easily insert your comments. Be sure that you remove all unneeded verbiage without disturbing the quote tags or you will have huge posts....