Quote attributed to Freeman Dyson (of "Dyson sphere" fame): > When I was a boy in England long ago, people who traveled on trains with dogs had to pay for a do

Quote attributed to Freeman Dyson (of "Dyson sphere" fame): > When I was a boy in England long ago, people who traveled on trains with dogs had to pay for a dog ticket. The question arose whether I needed to buy a dog ticket when I was traveling with a tortoise. The conductor on the train gave me the answer: "Cats is dogs and rabbits is dogs but tortoises is insects and travel free according." https://www.goodreads.com/quotes/7236984-when-i-was-a-boy-in-england-long-ago-people https://www.goodreads.com/quotes/7236984-when-i-was-a-boy-in...