Ryan Holiday on Instagram: "You don’t change your life with a resolution. You change it with practice. That’s why we’re starting 2026 the same way I have for nearly a decade: 21 days of Stoic challenges, one per day. A small practice. A clear prompt. Something to start. Something to stop. A better way to think—and live. Thousands of people around the world will be doing this together. I’d love to see you there. Sign up now at dailystoic.com/challenge or via the link in bio and I’ll see you on Ja