Live in defiance of the weakness and in rebellion against the decay. - Jocko Willink

that I find most useful are: kneeling hip flexor stretch, swimmer stretch, Cossack stretch, hip external rotation stretch, reverse sleeper stretch, couch stretch, downward dog, and the cow face pose.

The book derives its title from the underlying principle — the mind-set — that provides the foundation for all the rest: Extreme Ownership. Leaders must own everything in their world. There is no one else to blame.

When everyone participating in an operation knows and understands the purpose and end state of the mission, they can theoretically act without further guidance.