The Daily Discipline from Project MNDST

Episode 92: The 80/20 Principle

Today's episode teaches the Eighty-Twenty Principle — the pattern Vilfredo Pareto first documented in nineteenth-century Italy showing that a small share of inputs drives most of the output. Once you see it clearly, it changes how you hire, how you invest your time, and how you make any decision where focus is the real constraint. The one small action today: find the single item on your list that, if done well, makes the most others less urgent — and do that one first. Key Topics: eighty-twenty principle, Pareto principle, decision-making, prioritization, focus, mental models, productivity Subscribe to The Daily Discipline for a daily reset on Clarity, one morning at a time.

Episode 91: Growth Mindset and the Power of Yet

Today's episode teaches Carol Dweck's growth mindset — the idea that ability is buildable, not fixed, and that the word "yet" can change your whole relationship with difficulty. We trace the real research behind the model, from Dweck's early studies to a Chicago school's two-word grading experiment, and show why the greatest performers treat plateaus as information rather than verdicts. Your one small action today: find something you've been calling a weakness and add a single word to the end of the sentence — "yet." Key Topics: growth mindset, fixed mindset, Carol Dweck, ability and effort, self-belief, agency, personal development, mental models Subscribe to The Daily Discipline for a daily reset on Clarity, one morning at a time.

Episode 90: The Belief Barrier: Roger Bannister's 4-Minute Mile

Today's episode teaches the belief barrier — the idea Roger Bannister made undeniable when he ran the first sub-four-minute mile in nineteen fifty-four and, within three years, roughly a dozen other runners had followed. The wall wasn't physical; it was a shared assumption, and one person's proof dissolved it. Today's small action: name one goal you've quietly written off and find one real person who has already done it. Key Topics: belief barrier, Roger Bannister, four-minute mile, mental models, self-limiting beliefs, agency, possibility, performance psychology Subscribe to The Daily Discipline for a daily reset on Clarity, one morning at a time.

Episode 89: Regret Minimization: The Bezos Decision Rule

Today's episode teaches Jeff Bezos's Regret Minimization Framework — the simple but powerful idea that when you face a hard decision, you project to age eighty and choose the path you'll regret least. The episode traces Bezos's documented moment of leaving a senior role at D.E. Shaw to found Amazon, explains why the framework is really a tool for reweighting time, and lands on one small writing exercise you can do this morning to move a decision you've been deferring. Key Topics: regret minimization framework, decision-making, Jeff Bezos, mental models, clarity under pressure, long-term thinking, courage vs. knowledge Subscribe to The Daily Discipline for a daily reset on Clarity, one morning at a time.

Episode 88: Survivorship Bias

Today's episode teaches survivorship bias — the perceptual error Abraham Wald famously exposed when he showed WWII military planners they were reinforcing the wrong parts of their bombers. The lesson is simple and powerful: the data you're missing often matters more than the data right in front of you. One small action to try today: take one strategy you're treating as proven and spend two minutes asking what the failures look like. Key Topics: survivorship bias, perception and clarity, mental models, decision-making, Abraham Wald, missing data, self-honesty Subscribe to The Daily Discipline for a daily reset on Clarity, one morning at a time.