The Mahabharata - pg. 97

The main cause was his fixed resolve to be on amicable terms with his cousins by not opposing their wishes and a friendly invitation to dice could not be summarily turned down, since the etiquette of those days made it a point of honor to accept a game of equal hazard. Out of his very anxiety to foster goodwill, he laid open the field for the poisonous seed of hatred and death. Here is an illustration of the futility of human plans, however well-meant or wise, without divine aid. Our best wisdom is vain against fate, and if destiny is kind, our very follies turn to our advantage.