How do I keep going when things get hard?

Explicitly builds on The Obstacle Is the Way, extending its Stoic framework into the virtue-series treatment of courage

Courage Is Calling: Fortune Favors the Brave→ cites →The Obstacle Is the Way

References Frankl's Man's Search for Meaning when discussing how Stoic philosophy helps find purpose amid suffering

A Guide to the Good Life→ cites →Man's Search for Meaning

Willink's philosophy parallels Holiday's Stoic approach on obstacles.

Extreme Ownership→ cites →The Obstacle Is the Way

Farnsworth draws throughout on Marcus Aurelius's Meditations as one of the three primary late Stoic sources, quoting Aurelius across chapters on judgement, perspective, emotion, and virtue

The Practicing Stoic: A Philosophical User's Manual→ cites →Meditations

Seneca's Letters to Lucilius are a foundational source, cited extensively across chapters on death, adversity, wealth, and virtue

The Practicing Stoic: A Philosophical User's Manual→ cites →Letters from a Stoic

Direct extension of Holiday's Stoic project begun in The Obstacle Is the Way, applying the same primary sources to biographical narrative

Lives of the Stoics: The Art of Living from Zeno to Marcus Aurelius→ cites →The Obstacle Is the Way

Directly extends the daily-practice framework of The Daily Stoic into the virtue of temperance

Discipline Is Destiny: The Power of Self-Control→ cites →The Daily Stoic

Tolle's teaching that suffering arises from identification with the ego parallels Frankl's insight in Man's Search for Meaning that finding purpose beyond the self is the key to transcending even extreme adversity.

A New Earth: Awakening to Your Life's Purpose→ cites →Man's Search for Meaning

Didion's unflinching chronicle of loss and her struggle to find meaning in grief resonates with Frankl's exploration in Man's Search for Meaning of how humans construct purpose in the face of devastating suffering.

The Year of Magical Thinking→ cites →Man's Search for Meaning

The Obstacle Is the Way is listed alongside Holiday's other works in the series as part of his broader project exploring the four cardinal virtues through ancient philosophy.

Wisdom Takes Work→ cites →The Obstacle Is the Way

Goleman references Viktor Frankl's account of finding meaning in extreme adversity as evidence that emotional resilience is a learnable skill rather than an innate trait. Frankl appears in the chapters on hope and optimism.

Emotional Intelligence→ cites →Man's Search for Meaning

The Daily Stoic is structured as 366 daily meditations, drawing its core philosophy directly from Marcus Aurelius. Each entry translates ancient Stoic wisdom into modern practical guidance.

The Daily Stoic→ cites →Meditations

Seneca's letters provide the second major philosophical source for The Daily Stoic. Holiday draws on Seneca's practical advice on manageing emotions, wealth, and mortality.

The Daily Stoic→ cites →Letters from a Stoic

The book's central thesis comes directly from Marcus Aurelius: "The impediment to action advances action. What stands in the way becomes the way." Holiday builds an entire framework around this Stoic principle.

The Obstacle Is the Way→ cites →Meditations

Antifragile extends the ideas Taleb introduced in The Black Swan. Where Black Swan focused on the impact of unpredictable events, Antifragile asks how to build systems that actually benefit from volatility.

Antifragile→ cites →The Black Swan