Excerpt from Cool Air by H.P. Lovecraft.

He sought to distract

my mind from my own seizure by speaking of his theories and experiments; and I remember his tactfully consoling me about my weak heart by insisting that will and consciousness are stronger than organic life itself, so that if a bodily frame be but originally healthy and carefully preserved, it may through a scientific enhancement of these qualities retain a kind of nervous animation despite the most serious impairments, defects, or even absences in the battery of specific organs. He might, he half jestingly said, some day teach me to live—or at least to possess some kind of conscious existence—without any heart at all! For his part, he was afflicted with a complication of maladies requiring a very exact regimen which included constant cold. Any marked rise in temperature might, if prolonged, affect him fatally;