Sit Down on Your Ass Until You Do It
The mental model of using persistent effort and discipline to overcome challenges, often by committing to long hours until obligations are met. It also involves patiently waiting for rare, high-quality opportunities and then betting heavily when the odds are favorable.
THE IDEA
Sit Down on Your Ass Until You Do It
This concept, championed by Charlie Munger, emphasizes the power of assiduity – the ability to sit down and work persistently until you finish what you've started. Munger illustrates this with the story of a two-man partnership during the Great Depression that agreed to work 14 hours a day, seven days a week until they caught up on their commitments. Munger credits this commitment with helping the firm survive.
In investing, Munger applies a parallel principle: wait patiently for the right opportunity. He argues that humans cannot know everything, but those who work hard and sift the world for a mispriced bet will occasionally find one. The wise ones then bet heavily when they have the odds. This requires discipline and emotional control, in contrast to 'sentimentalists' who chase predictions.
When to use it
A startup team facing a launch agrees on the remaining work, responsibilities, and a schedule for meeting its commitments.
An investor analyzes industries for months, waiting for a company to be temporarily undervalued due to market panic, then makes a concentrated purchase.
A student preparing for an exam schedules focused study, checks understanding, and adjusts the plan to cover gaps.
FROM THEORY TO EVERYDAY LIFE
In practice
The Depression-Era Partnership
During the Great Depression, two partners created a design/build construction team with a simple agreement: divide everything equally, and whenever they were behind on commitments, they would both work 14 hours a day, seven days a week until caught up. Munger presents their agreement as a lesson in meeting obligations.
The Mispriced Bet
An investor who studies many businesses may find one that is undervalued due to temporary issues. Applying Munger's model, they wait patiently for such a rare opportunity and then invest a large portion of their capital, confident they have the odds in their favor.
A MOMENT TO REFLECT
Put it to work.
Which unfinished obligation needs sustained attention, and what realistic schedule would help you complete it?
Identify an area (e.g., investing, career, relationships) where you might be acting like a 'sentimentalist' based on predictions rather than waiting for a true edge. How can you shift to a patient, disciplined approach?
CONTINUE THE CONVERSATION
Source texts
- The Art of Being Rational Charlie Munger