The Inner Citadel ## Values, Relationships, Purpose, and the Complete Life > *"We are made for co-operation, like feet, like hands, like eyelids, like the rows of the upper and lower teeth."* > — Marcus Aurelius, *Meditations* 2.1 (George Long) The first three phases built the citadel. The last phase opens its gates. A discipline that serves only the self is not Stoic — it is solipsism with better posture. The Stoic is a **citizen of the cosmos**, a co-operator, a person whose self-mastery exists in service of common life. Phase IV aligns your hard-won steadiness with your values, your relationships, your work, and your purpose — so that the man who emerges on Day 30 is not merely unbreakable but *useful*.