“How do you accidentally kill a lord in his own manor?'with a knife to the chest...well a pair of knives actually, one can never be too careful”

“How do you 'accidentally' kill a noble man in his own mansion?" "With a knife in the chest. Or, rather, a pair of knives in the chest...”

“So you want a knife, a nice sharp knife. You hone that blade to its limits. It even cuts through stone when you want it to. It saves your life. And then you're outraged when it cuts you accidentally. You see, knives don't switch off. And neither do people, not when you hone them to a fine edge.”

“(...) he walked away understanding, (...) how easily life can be one thing rather than another and how accidentally a destiny is made... on the other hand, how accidental fate may seem when things can never turn out other than they do.”

“I've got the Mark of Cain," said Simon. "That means nothing can kill me, right?""You can kill yourself," Magnus said, somewhat unhelpfully. "As far as I know, inanimate objects can accidentally kill you. So if you were planning on teaching yourself the lambada on a greased platform over a pit full of knives, I wouldn't.""There goes my Saturday.”

“You can never have too many knives, his father had told him. Unless they're pointed at you, and by people who don't like you much. ”