and  and ceases to be complex in reality. And some stuff that 's as  that 's absolutely straightforward in the vacuum , is actually terribly complex in reality. Would be nice sort of , uh , also , nice , um bottom - up linguistics , um , type message.
Mm - hmm. True.
Versus the old top - down school. I 'm running out of time. OK.
When do you need to start wizarding ?