Why Do Writers Keep Rejections?

After getting Twitter a few weeks, I've been learning and taking in lots of information from the published authors, publishers, agents, etc.  Having to keep up with all the tweets through the web is pretty hard, so I got TweetDeck and I keep it running throughout the day. This morning, I've been looking at the different windows I've pulled up and reading over what they entailed to see a tweet from Lori Devoti asking, "Writers, why do we save rejections? I have all of mine dating back to very ...