Southwest Airlines has seen tremendous stock price growth due to sticking to its clear and memorable strategic principle of "Meet customers' short-haul travel needs at fares competitive with the cost of automobile travel." This strategic principle distills Southwest's unique strategy into a concise phrase that communicates it throughout the company and allows them to maintain focus while empowering workers to innovate and seize opportunities. An effective strategic principle helps companies balance decentralized decision making with coherent strategic action, which is important for success in a rapidly changing world.