“Technologies that change society are technologies that change interactions between people”

“The economy of early hominids and that of twenty-first century society have enormous differences, but they do share one important feature: in both of these economies, humans accumulate information ...”

“Humans have wandered the Earth for thousands of years but never has our capacity to alter the Earths ecosystem at a larger scale been more prominent than it is today.”

“Above the keyhole the door has a latch. It is pretending to be an authentic old latch. The door is pretending to be an authentic old door. Maybe everything there is isn't authentic any more. Maybe ...”

“One thing seems certain. Our galaxy is now in the brief springtime of its lifea springtime made glorious by such brilliant blue-white stars as Vega and Sirius, and, on a more humble scale, our own ...”

“When you stir your rice pudding, Septimus, the spoonful of jam spreads itself round making red trails like the picture of a meteor in my astronomical atlas. But if you stir backwards, the jam will ...”

“You are exporting disorder [in the form of heat into the Universe] now as you read this book. You are hastening the demise of everything that exists, bringing forward by your very existence the arr...”