“Pain is pain, whether it be inflicted on man or beast; and the creature that suffers it, whether man or beast, being sensible of the misery of it while it lasts, suffers evil and the sufferance of evil, unmerited, unprovoked, where no offence has been given, and no good can possibly be answered by it, but merely to exhibit power or gratify malice, is Cruelty and Injustice in him that occasions is.”