"The behavior of men to the lower animals, and their behavior to each other, bear a constant relationship."

"The preservation of health is a duty. Few seem conscious that there is such a thing as physical morality."

"Hero-worship is strongest where there is least regard for human freedom."

"To play billiards well was a sign of an ill-spent youth."

"We have enslaved the rest of the animal creation, and have treated our distant cousins in fur and feathers so badly that beyond doubt, if they were able to formulate a religion, they would depict the Devil in human form."

"People commonly travel the world over to see rivers and mountains, new stars, garish birds, freak fish, grotesque breeds of human they fall into an animal stupor that gapes at existence and they think they have seen something."

"I have snakes, three sharks, moray eels, piranhas, five scorpions and a bird spider. All of them are predators. They are dangerous but it's cool to have strong and powerful pets."

"I had a very famous trainer tell me once, 'You can usually train a wild animal but never tame a wild animal, ever.' They are always going to be wild, no matter what anybody says."