The late Richard John Neuhaus famously wrote this of bioethicists.
Consider a hypothetical "engram" of your grandmother’s lovely face that "codes" for your memory of her appearance.
Human logic goes where our first principles and fundamental premises take it.
The tremendous potential human (and animal) good that could be derived from this research to treat pain justifies the suffering caused to the animals.
A Belgian chemist and self-described secular humanist describes his agony at the euthanasia killing of his depressed mother.