Quotes / Compound-Interest Time Travel Gambit

Compound interest is the most powerful force in the universe.

— Falsely attributed to Albert Einstein.

This [sidequest in which the player deposits 5000 rupees] will probably result in a devastating crash of the bank and the complete destabilization of Clock Town's economy, but hey, that still beats being obliterated by a falling moon.

—The Legend of Zelda: Majora's Mask Official Strategy Guide, on a sidequest exploiting this trope

Teller: Okay, you had a balance of 93 cents.
Fry: Alright!
Teller: And at an average of two and a quarter percent interest over a period of 1,000 years, that comes to 4.3 billion dollars.
Fry: [hyperventilates and passes out]

—Futurama, "A Fishful of Dollars"