Charles Munger, the trusted advisor to Warren Buffett, is renowned for his exceptional analytical ability and consistent success in business. His remarkable thinking skills have played a pivotal role in the success of Berkshire Hathaway, a company valued at $3 trillion. Munger attributes his clear reasoning to the use of "mental models," which are practical frameworks derived from various fields, including physics and biology. These models allow him to analyze complex situations quickly and effectively.

Through the application of 80 to 90 mental models, Munger has cultivated what Buffett describes as the "best 30-second mind in the world," enabling him to grasp the core of concepts rapidly. This skill allows him to make swift and informed decisions, often understanding matters before they are fully articulated. His ability to navigate complex ideas is a crucial factor in his and Buffett's success in the investment world.