"You will find ambiguity a great ally on your road to power. Give a sign of Slytherin on one day, and contradict it with a sign of Gryffindor the next; and the Slytherins will be enabled to believe what they wish, while the Gryffindors argue themselves into supporting you as well. So long as there is uncertainty, people can believe whatever seems to be to their own advantage. And so long as you appear strong, so long as you appear to be winning, their instincts will tell them that their advantage lies with you. Walk always in the shadow, and light and darkness both will follow."

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It's your duty to use what influence you have, unless you want to drift through life like a fish belly-up on the stream" "I wish I could believe that life really is something more than a stream that carries us along, belly-up" "Alright, if it's a stream, you're still free to be in this part of it or that part, aren't you? The water will divide again and again. If you bump, and tussle, and fight, and make use of whatever advantages you might have-" "Oh, that's fine, I'm sure, when you have advantages." "You'd find them everywhere, if you ever bothered to look!

— Arthur Golden