"Animals of all classes, old and young, shrink with instinctive fear from any strange object approaching them."

"The puma is, with the exception of some monkeys, the most playful animal in existence."

"We know that our senses are subject to decay, that from our middle years they are decaying all the time; but happily it is as if we didn't know and didn't believe."

"Now that we are cool, he said, and regret that we hurt each other, I am not sorry that it happened."