There are times in life when people must know when not to let go. Balloons are designed to teach small children this.
Terry PratchettIt is always useful to face an enemy who is prepared to die for his country," he read. "This means that both you and he have exactly the same aim in mind.
Terry PratchettGranny Weatherwax was often angry. She considered it one of her strong points. Genuine anger was one of the world's greatest creative forces. But you had to learn how to control it. That didn't mean you let it trickle away. it meant you dammed it, carefully, let it develop a working head, let it drown whole valleys of the mind and then, just when the whole structure was about to collapse, opened a tiny pipeline at the base and let the iron-hard stream of wrath power the turbines of revenge.
Terry Pratchett