“No avian society ever develops space travel because it's impossible to focus on calculus when you could be outside flying.”

“Earth travels in the space at the speed of 108,000 kilometres per hour. When you walk calmly in a forest, you must know that you are in fact flying in the space at that crazy speed!”

“Printing mistakes adds value because of the probability calculus, which makes their intrusion into something problematic and almost impossible, even when everything's conceived, precisely, to avoid the intrusion of human error.”

“You mean old books?""Stories written before space travel but about space travel.""How could there have been stories about space travel before --""The writers," Pris said, "made it up.”

“Without first setting your goals correctly, it is impossible to focus on a plan to achieve them. That is why goal setting is so vital to time management and developing focus.”

“To fly is the opposite of traveling: you cross a gap in space, you vanish into the void, you accept not being in a place for a duration that is itself a kind of void in time; then you reappear, in a place and in a moment with no relation to the where and when in which you vanished.”