“Ryan and Jethá propose that our ancestors, at least from 200,000 years ago, were living in a world of plenty where the resources of food and sex were in abundance but were choosing to stay hungry. After a couple of hundred thousand years of this ‘Eden’ we apparently forgot who we were, got our appetites back, and before we knew it we were drowning under babies we no longer chose to dispose of at birth.”

“About their wedding on a beach of Nantucket, after nearly 50 years together as a couple: "After years of being who we truly were only in the privacy of our homes or with a few friends, we were out in the world, under the sky, no longer pretending.” - Norman Sunshine, co-author, Double Life”

“We were kids without fathers, so we found our fathers on wax and on the streets and in history, and in a way, that was a gift. We got to pick and choose the ancestors who would inspire the world we were going to make for ourselves.”

“I like the idea of something greater than us. We destroy things with our curiosity. We shatter with our best intentions. We are no closer to perfection than we were one hundred years ago, or five hundred.”

“A thousand years ago, everybody knew the Earth was the center of the universe. Five hundred years ago, they knew the Earth was flat. Fifteen minutes ago, you knew we humans were alone on it. Imagine what you'll know tomorrow.”

“Going where no man has gone before is more difficult than it sounds. Our cousins and ancestors were no less curious than we are, and were perhaps bolder. This world is their tomb.You should look under the bed.”