Life won’t always go your way, so if you start thinking that it will, you’ll be disappointed and less effective. Heraclitus, a philosopher born in the Persian Empire back in the fifth century BC, had it right when he wrote about men on the battlefield. Our resources are crucial for knowledge lovers everywhere—so if you find all these bits and bytes useful, please pitch in.

It will help you accelerate your learning, solve hard problems, and save time by giving you access to a growing digital collection of insights from timeless books. When your mind is telling you that you’re done, completely exhausted and not able to go any further, you’re only at about 40% of your potential. Because passion and obsession, even talent, are only useful tools if you have the work ethic to back them up.

You need to learn how to harness talent, hard work, passion, and obsession to relentlessly pursue your goals.

Images Donate icon An illustration of a heart shape Donate Ellipses icon An illustration of text ellipses. Keep fighting when you feel like you’re done, and that’s when you unlock the remaining 60% of your potential. David Goggins shares how he transcended poverty and abuse to become one of the world’s top endurance athletes. More Hamburger icon An icon used to represent a menu that can be toggled by interacting with this icon. His story reveals how mastering your mind, hard work, and becoming friends with pain can help you achieve the unimaginable.Web icon An illustration of a computer application window Wayback Machine Texts icon An illustration of an open book.