Ten leadership books, ten single-line insights. Each sentence carries the central idea you could build a leadership practice around.

1. "Make the weekly review sacred." — The Effective Executive, Drucker.
2. "Your calendar is the honest audit of your priorities." — Deep Work, Newport.
3. "Level 5 leaders attribute success to others, failure to themselves." — Good to Great, Collins.
4. "Accept influence before offering direction." — The Seven Principles, Gottman (applied to leadership).
5. "The biggest risk is not taking any risk." — Zero to One, Thiel.
6. "Culture is what happens when you're not in the room." — Leaders Eat Last, Sinek.
7. "Hire for character, train for skill." — Extreme Ownership, Willink.
8. "Move decisions to where the information is." — Turn the Ship Around, Marquet.
9. "Caring personally + challenging directly = Radical Candor." — Scott.
10. "Your first job as a leader is to define reality." — attributed to Max De Pree.

Ten insights. Pick one; practise for a month; move to the next. Leadership isn't acquired through reading; it's acquired through internalising one insight at a time.