" How do you think humans got so cruel?” I asked Makili. He gazed at the ocean, then back at Turner and me. “We forgot,” he said, letting the words linger. “We forgot our responsibility. And we forgot that we are as equal as any living thing within the chain. There’s no hierarchy in this. Nah. We are part of the same family: living things. All the rest of it is just totally fucking bullshit. "

― Susan Casey , Voices in the Ocean: A Journey into the Wild and Haunting World of Dolphins