“Strax gave a snort of amusement. ‘It is surely a very simple choice. One option is for a quiet life with honest work amongst other humans paying a living wage and with prospects of promotion within a distinguished household. The other... ‘ He drew himself up to his full height and looked up at them, ‘is the prospect of constant danger, fear and risk. No chance of ever seeing your friends again, or making new ones. The knowledge that death waits around the next corner and you are unlikely to see the end of the next week without at the very least a serious injury. A glorious alternative.”

“Some fears can be conquered...Others have a way of coming back around. Sometimes at the moment you least expect. Often with the very worst possible timing. Fear makes it hard to think. And when you can't think, it's hard to figure out your choices. When you can't see all your options, all you can do is react. —Uncle Autry”

“One chance, One life. Make it or screw it up, it's your choice. Don't wait to long or your time will be up.”

“The rule for working out prime numbers is very simple, but no one has ever worked out a simple formula for telling you whether a very big number is a prime number or what the next one will be. […] Prime numbers is what is left when you have taken all the patterns away. I think prime numbers are like life. They are very logical but you could never work out the rules, even if you spent all your time thinking about them.”

“The next time you think that there's something that you "can't live without", wait for a week and then see if you're still alive or not”

“Why were they whining then?...whining, damn them, whining… Because they’d have to give up their hope of living like an animal and return to an honest, conscious, human life. The prospect was hard.”