My teaser comes from page 119:
Esk, of coursee, had not been trained, and it is well known that a vital ingredient of success is not knowing that what you're attempting to do can't be done. A person ignorant of the possiblity of failure can be a halfbrick in the path of the bicycle of history.
Teaser Tuesday is host by Miz B at Should Be Reading. Head on over to find out all about it, and how to join in!