`` i warn you , dragon , the human spirit is- '' they never found out what it was , or at least what he thought it was , although possibly in the dark hours of a sleepless night some of them might have remembered the subsequent events and formed a pretty good and gut-churning insight , to whit , that one of the things sometimes forgotten about the human spirit is that while it is , in the right conditions , noble and brave and wonderful , it is also , when you get right down to it , only human .