If you’re changing the world, you’re working on important things. You’re excited to get up in the morning.

The line links personal motivation to the scale of one’s aims: work that genuinely improves the world tends to feel meaningful, and that meaning generates energy rather than depletion. It also implies a practical test for “importance”—not prestige or busyness, but the sustained excitement that pulls you into the day. In a Silicon Valley context often associated with Larry Page, the quote reflects an ethos of ambitious, mission-driven engineering: choosing problems whose solutions create broad social value. It can be read both as encouragement (seek consequential problems) and as a diagnostic (if you dread mornings, reconsider what you’re building).