No human being is innocent, but there is a class of innocent human actions called Games. – W. H. Auden

I have a notion that gamblers are as happy as most people, being always excited; women, wine, fame, the table, even ambition, sate now and then, but every turn of the card and cast of the dice keeps the gambler alive — besides one can game ten times longer than one can do any thing else. – Lord (George Gordon) Byron

Rule: Never perform card tricks for the people you play poker with. – Proverb