Dictionary-style definition of "stoic" on a dark background

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This shareable graphic presents a modern dictionary-style definition of the term "stoic", unpacking core tenets of Stoic philosophy from leading expert Donald J. Robertson to correct common misconceptions about the ancient worldview. The highlighted key text emphasizes the foundational Stoic practice of focusing only on controllable thoughts, actions, and responses while accepting everything outside one's influence, clarifying that Stoicism centers on self-mastery and emotional resilience rather than suppressing feelings. The minimalist dark background design makes this actionable, accessible philosophy easy to read and share for anyone pursuing personal growth.