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How to ThinkIn the Age of AI

Question

How do I practice credible sources?

beginner

Quick Answer

Audit your information sources right now. Open your RSS reader, social media follows, newsletter subscriptions, and bookmarks. For each source, answer: In the last 30 days, how many times did this source change my thinking or inform a real decision? Any source that scores zero gets unfollowed immediately.

Any source that scores three or higher gets promoted — turn on notifications, add it to a dedicated reading list, or subscribe to its paid tier. You should end with fewer, better sources.

Common pitfall: Confusing volume with thoroughness. You keep adding sources because 'what if I miss something important?' but the marginal source almost never contains unique signal. Instead, it adds noise that degrades your ability to process the sources that actually matter. The anxiety of missing out is itself noise — and it tricks you into building an information environment that makes you less informed, not more.

This practice connects to Signal vs Noise — building it as a repeatable habit compounds over time.

Learn more in these lessons

  • High-quality sources reduce noise filtering

    Curating better inputs is more efficient than filtering bad ones. Every hour spent choosing credible sources saves ten hours of downstream fact-checking, second-guessing, and correcting decisions built on noise.