it’s as well to know your own limits.” “You think so?” He tilted his head, regarding me curiously. “Do you not think that the admission of such limits, a priori—and I do not mean only in the medical way, but in any arena of endeavor—that such an admission in itself establishes limits? That is, might that expectation prevent one from accomplishing all that is possible, because one assumes that something is not possible and therefore does not strive with all one’s power to achieve it?”