Idea Ripper // ArchiveCards: 1555 [Live] | Updated: 2026-10-14
Card #c1221IR // #c1221Synthesis

"Rereading is especially dangerous because of the mere-exposure effect: The moment we become familiar with something, we start believing we also understand it."

— In our words · Source: How to Take Smart Notes (Sönke Ahrens)

[Use when]

You're preparing for a test, a pitch or a board meeting by going over the same material again.

[Why it matters]

Familiarity produces the sensation of knowing without the substance. Ahrens recommends testing yourself and writing the idea out in your own words, both harder and both more accurate signals of what you've learned.

Filed under situations:When your picture of things might be wrong

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