软件系统最重要的方面是它满足用户需求的能力。

Those who do not have power over the story that dominates their lives, the power to retell it, rethink it, deconstruct it, joke about it, and change it as they change, truly are powerless, because they cannot think new thoughts.

剑鞘保护剑的锋利，自己却满足於它自己的迟钝。