“Regrets are illuminations come too late.”

“What man of us has never felt, walking through the twilight or writing down a date from his past, that he has lost something infinite?”

“You have to look at what you have right in front of you, at what it could be, and stop measuring it against what you've lost. I know this to be wise and true, just as I know that pretty much no one can do it.”

“Time is an absurdity. An abstraction. The only thing that matters is this moment. This moment a million times over. You have to trust me. If this moment is repeated enough, if you keep trying — and you have to keep trying — eventually you will come across the next item on your list.”

“It's no good choosing your first husband from a school for evil geniuses. Much too difficult to kill.”

“Even a book can be dangerous in the wrong hands, and when that happens, you blame the hands, but you also read the book.”

“Suddenly Saracen Rue looked old and tired, and Skulduggery Pleasant came into focus as what he really was – a genius, a killer, a tortured soul, and the only true dead man among them.”

“Childhood should be carefree, playing in the sun; not living a nightmare in the darkness of the soul.”