'But you must help me to get it on my back.

It's awfully heavy, you know.' 'Well, it isn't just a bag of smoke, I admit.

But you're as strong as a mountain, Helfer.' 'You say so, dad.

I think myself I'm all right.

But I could carry ten times as much if it wasn't for my feet.' 'That is your weak point, I confess, my boy.' 'Ain't it yours too, father ?' 'Well, to be honest, it's a goblin weakness.