In his own words

Munger on Leverage & debt

3 sourced quotes. All themes

“There are only three ways a smart person can go broke: liquor, ladies, and leverage.”

Attributed to Munger via Warren Buffett · as recalled

Buffett has repeatedly credited this line to Munger; no single primary recording pins the exact occasion.

“It's really crazy if you're very comfortable and secure to leverage. The incremental value of getting a little extra return is not that great.”

Wesco Financial annual meeting, 1991 (Pasadena), as published in Outstanding Investor Digest, May 24, 1991 · 1991 · as recalled

“In engineering, people have a big margin of safety. But in the financial world, people don't give a damn about safety. They let it balloon and balloon and balloon. It's aided by false accounting.”

Berkshire Hathaway annual meeting, 2003 (Whitney Tilson's meeting notes; quoted in Tren Griffin, 'Charlie Munger: The Complete Investor', 2015) · 2003 · as recalled · where he said it ↗

From Tilson's 2003 notes (near-verbatim, not an official transcript).