What is Horme? An examination of the Stoic philosophical term on Via Stoica.

What is Horme?

Horme in Stoicism is the impulse or drive that moves us toward action. It is the inner push that turns judgment into movement. For the Stoics, hormē was central because it connected thought, desire, and deed. In modern life, understanding horme helps us recognize why we act the way we do, and how to train our impulses so they serve reason and virtue rather than habit or passion.

Breaking Down the Word

Hormē (ὁρμή) comes from the Greek verb hormáō, meaning “to set in motion” or “to rush forward.”

  • Literal meaning: impulse, urge, or movement toward something.
  • Philosophical meaning: the drive to act that follows assent to an impression.

Why this matters: Stoics taught that every action begins with an impression (phantasia). When we give assent (synkatathesis) to that impression, horme follows as the impulse that carries belief into action.

Key Dimensions of Horme

  • Impulse toward action: Horme is the inner motion that makes us act once we’ve assented to a belief.
  • Neutral by itself: Horme is not automatically good. Its quality depends on whether our assent is rational or misguided.
  • Trainable: We can educate our impulses so that they move us toward wisdom and virtue instead of toward destructive habits.

Core Stoic Principles Connected to Horme

  • Reason (logos): Assent determines whether horme is rational or irrational.
  • Virtue (arete): Only when guided by true judgments does horme produce virtuous action.
  • Wisdom (sophia): Wisdom is the art of assenting correctly, which means shaping our hormai into consistent, reason-led impulses.

Modern Misunderstandings

Horme is not the same as instinct or raw emotion. Instinct is automatic, and emotion can be overwhelming. Horme is the deliberate impulse that follows our judgments. To confuse it with “just follow your gut” misses the Stoic point: impulses must be tested against reason before being acted upon.

Why Horme Is Central to Stoicism

Chrysippus argued that without horme there is no action, only thoughts left unrealized. Epictetus reminded his students that impulses themselves are not evil, but they must be judged and directed. Margaret Graver notes that Stoic ethics rests on training hormai so that our forward motions consistently follow reason, not passion.

Practical Applications of Horme

  • Journaling: Each evening, ask: “Which impulses moved me today? Did I assent to them wisely, or was I carried by habit?”
  • Pause before action: When you feel an impulse, add the Stoic reserve clause: “I will act, if nothing prevents it.”
  • Mindset check: Before acting, test the impulse: “Does this serve wisdom, justice, courage, or temperance?”
  • Situational exercise: The next time someone provokes you, notice your first impulse. Instead of reacting, take a breath and ask: “Is this impulse worth following, or will it lead me away from reason?”

FAQ

What does horme mean in Stoicism?
In Stoicism, horme means the impulse or drive toward action that follows assent to an impression.

Is horme the same as instinct?
No. Instinct is automatic. Horme is a reason-informed impulse that depends on judgment.

Can anyone develop horme?
Yes. By practicing reflection and training assent, anyone can guide their impulses toward reason and virtue.

Conclusion

Horme in Stoicism shows that our actions are never random. They arise from impulses shaped by what we believe. By training our assent, we can guide our hormai so that they move us toward wisdom and virtue instead of away from them. Small daily steps, pausing, reflecting, and questioning our impulses, help us live closer to the Stoic ideal of reasoned action.


Want to explore more Stoic practices?

Book a free consultation with one of our Stoic Coaches or learn about more Stoic philosophy terms. You can also listen to the Via Stoica podcast on Spotify or Apple Podcasts or watch it on YouTube.

Author Bio

Benny Voncken is the co-founder of Via Stoica, where he helps people apply Stoic philosophy to modern life. He is a Stoic coach, writer, and podcast host of The Via Stoica Podcast. With almost a decade of teaching experience and daily Stoic practice, Benny creates resources, workshops, and reflections that make ancient wisdom practical today.


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