B

“The story so far:
In the beginning the Universe was created.
This has made a lot of people very angry and been widely regarded as a bad move.”
― Douglas Adams, The Restaurant at the End of the Universe

“Reason is, and ought only to be the slave of the passions.”
― David Hume

“Build a man a fire, and he'll be warm for a day. Set a man on fire, and he'll be warm for the rest of his life.”
― Terry Pratchett, Jingo

“If possessing a higher degree of intelligence does not entitle one human to use another for his or her own ends, how can it entitle humans to exploit non-humans?”
― Peter Singer, Animal Liberation