Learn how much confidence to have in your people — don’t assume it. No manager should delegate responsibilities to people they don’t know well. - Ray Dalio

no system of government, no economic system, no currency, and no empire lasts forever, yet almost everyone is surprised and ruined when they fail.

Seek out the smartest people who disagreed with me so I could try to understand their reasoning. 2. Know when not to have an opinion. 3. Develop, test, and systemize timeless and universal principles. 4. Balance risks in ways that keep the big upside while reducing the downside.

Choose your habits well. Habit is probably the most powerful tool in your brain’s toolbox.