In Walter Isaacson’s wonderful biography of Leonardo Da Vinci, he spends a lot of time dissecting and exploring the ideas in Da Vinci’s notebooks. As Isaacson observed of Da Vinci’s lifelong habit of journaling: “Five hundred years later, Leonardo’s notebooks are around to astonish and inspire us. Fifty years from now, our own notebooks, if we work up the initiative to start them, will be around to astonish and inspire our grandchildren, unlike our tweets and Facebook posts.”Paper, Isaacson says, is one of the best technologies ever invented.---And in today's excerpt from The Daily Stoic Journal, Ryan expounds on the seminal Stoic idea that shaped his book The Obstacle Is The Way. ✉️ Sign up for the Daily Stoic email: https://dailystoic.com/dailyemail? Check out the Daily Stoic Store for Stoic inspired products, signed books, and more, including the leather-bound edition of The Daily Stoic.? Follow us: Instagram, Twitter, YouTube, TikTok, FacebookSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.