[he nods at that, understanding slightly.]

... great lords will sometimes have the same troubles. To be instructed by their educators, to learn the rules of tactics, and then to discover in the worst moments of war that not all in life can be taught so easily.

I am sure you were a disciplined student, and there are gems within what you have been taught.

But sometimes it can be hard to reconcile with what is in front of you. I do not believe you stupid - perhaps others simply a bit impatient.