#utility

"The creed which accepts as the foundation of morals, Utility, or the Greatest-Happiness Principle, holds that actions are right in proportion as they tend to promote happiness, wrong as they tend to produce the reverse of happiness. By happiness is intended pleasure, and the absence of pain; by unhappiness, pain, and the privation of pleasure."

"She watched the tunnels as they flowed past: bare walls of concrete, a net of pipes and wires, a web of rails that went off into black holes where green and red lights hung as distant drops of color. There was nothing else to dilute it, so that one could admire naked purpose and the ingenuity that had achieved it."

"It is not a single cowardice that drives us into fiction's fantasies. We often fear that literature is a game we can't afford to play — the product of idleness and immoral ease. In the grip of that feeling it isn't life we pursue, but the point and purpose of life — its facility, its use."