“When did you suddenly become Mister Maturity?”
“What did I tell you about Mister Safety Catch?' said Vimes weakly. When Mister Safety Catch Is Not On, Mister Crossbow Is Not Your Friend,' recited Detritus, saluting.”
“You become mature when you become the authority of your own life.”
“She was irritated, briefly, by the thought that she might be becoming more mature. Why should she become a better person when no one else did?”
“When Mister Safety Catch Is Not On, Mister Crossbow Is Not Your Friend.”
“The years nineteen and twenty are a crucial stage in the maturation of character, and if you allow yourself to become warped when you're that age, it will cause you pain when you're older.”