Framing from Tobi Lütke (Shopify CEO): in pool, amateurs focus on the ball in front of them; pros think two shots ahead about where the cue ball ends up on the table. Applied to business, it's the discipline of optimizing for board position rather than immediate wins — the deal you win today that ruins your next three moves is a bad deal. A useful mental model when deciding what to ship, who to hire, and which customers to say no to.