The key to managing complexity is to focus on the interfaces between components, not their internal details.
走向自由,不管在哪,都没有轻松的道路;多数人在到达渴望的巅峰之前,都必须一次又一次穿过被死亡阴影所垄罩的幽暗山谷。
War is the province of danger and therefore courage above all things is the first quality of a warrior.