Authors
Ryan Holiday
Ryan Holiday is an author, marketer, and media strategist best known for books that apply Stoic philosophy to modern life, including The Obstacle Is the Way and Ego Is the Enemy. His work focuses on practical resilience and decision-making, a theme captured by the quote 'Doubt is the enemy of progress.'
Quotes: 4
Quotes by Ryan Holiday

The Difficult Discipline of Truly Being Present
Ryan Holiday’s line frames presence not as a casual mood but as a full-bodied act of attention. To be present, in this sense, is to bring one’s mind, emotions, and will into the same moment instead of scattering them acr...
Created on: 4/22/2026

Choosing Progress Over the Myth of Perfection
Ryan Holiday’s line cuts through a common self-deception: the belief that we must be flawless before we begin. In practice, “perfection” often becomes a socially acceptable excuse for delay—endless planning, tweaking, an...
Created on: 2/16/2026

Doubt Is the Enemy of Progress - Ryan Holiday
This quote emphasizes that doubt can prevent individuals from taking steps forward. When people second-guess themselves or hesitate, they often delay or abandon important actions necessary for growth and success.
Created on: 3/30/2025

Success Requires a Level of Discomfort - Ryan Holiday
This quote suggests that success is achieved by stepping outside one's comfort zone. Facing difficulties and overcoming challenges are necessary for personal and professional growth.
Created on: 2/21/2025