Herbert Spencer,
The Data of Ethics
“ The mischief that results from great depletion, results apart from any divine command, or political enactment, or moral intuition. Now advance a step. Suppose the man to be prevented from taking in enough of the solid and liquid food containing those substances continually abstracted from his blood in repairing his tissues: suppose he has cancer of the esophagus and cannot swallow—what happens? ”
