“The commonplace and the complex.”

A moment later, “Particularly if you're at all especially gifted, your fine control will be the first issue you face; you're changed, irreversibly, and as such the way that you channel what you do changes. You've the power of a man in the clumsy hands of a newborn child- you are, in effect, as a child with a stick. How many children know the strength of their own hands?”

It's almost wry; it sounds like he's speaking from experience.