Because xkcd is so motivational, I give you... xkcd:

You don't have time for silly things like organization and cleaning! You need to write!
http://xkcd.com/1077/

Because it's funny:
http://xkcd.com/1119/

Because I'm a word nerd (and, let's face it, a lot of you are, too):
http://xkcd.com/1108/

A time-waster. Because I'm evil:
http://xkcd.com/1110/

And finally, why you shouldn't be wasting your time with that time-waster:
http://xkcd.com/1106/