Ethos, Pathos, and Logos (EPL)

Goals

What

Ethos–Pathos–Logos (EPL) is a classical framework for persuasion that breaks influence into three elements:

Together, they form a complete approach to shaping belief and behavior.

Ethos–Pathos–Logos was developed by Aristotle around 350 BCE as part of his foundational work Rhetoric, which laid the groundwork for the study of persuasion in Western philosophy. Rhetoric is the art of using language to persuade others effectively.

Why

How

Use the Ethos–Pathos–Logos model to structure your message:

  1. Ethos – Trust
    • Show you’re credible, experienced, or caring.
    • Build connection through honesty and integrity.
  2. Pathos – Feeling
    • Tap into emotions (hope, fear, pride, compassion).
    • Use stories, metaphors, or vivid language.
  3. Logos – Reason
    • Provide clear reasoning or evidence.
    • Use data, examples, or logical structure.

Example

Scenario: Convincing a friend to start exercising

Framework

You can trust me because… [Ethos]
This matters because… [Pathos]
It makes sense because… [Logos]

Other Examples

Persuading a team to adopt a new tool

Encouraging someone to vote