The Cost of Keeping Every Door Open
Updated: Sep 12
Purpose is often mistaken for motivation. It may be more useful to think of it as a hierarchy: a way of deciding what deserves your attention before everything else begins competing for it.
There is a particular kind of exhaustion that comes from a day in which you did almost everything except the thing you meant to do.
By late afternoon, the day has been nibbled away rather than spent. A message that seemed impolite to leave unanswered turned into a whole thread. A “quick question” opened three more questions behind it. Someone needed a decision that, technically, could not wait. The trouble is that none of these things are pointless. Each arrives with a respectable claim on your attention. Only later do you notice that, taken together, they have totally replaced the day you meant to have.
This is different from laziness. In some ways, it is quite the opposite. You can work extremely hard while moving at the speed of a dried up snail in the direction you care about.
That is the problem this article is interested in: not how to become more motivated, but how a mind with several legitimate claims on it decides what comes first. Across the first four chapters of As a Man Thinketh, Allen keeps circling the same underlying architecture. Thought is cultivated. Interpretation changes what we do with circumstance. Our physical and emotional state colours judgement. And eventually, all of that attention has to be organised around something.
It is in Chapter 4, “Thought and Purpose,” that Allen makes this final step explicit. He describes aimlessness as drift and argues that thought needs a “centralising point.” Beyond the Horizon’s reading of the chapter translates that into a more modern problem: when several goals are worthwhile, what deserves precedence, and what has to be allowed to wait? Throughout our new series of episodes we explore the ideas of attention as a resource, opportunity cost, and the goal cascade all sitting inside that question.
Ambition can create its own form of drift
We tend to associate aimlessness with having nothing to pursue. But there is another version, common among ambitious people: having too many things that remain equally entitled to your future.
Psychologists who study multiple-goal pursuit do not describe human beings as single-goal creatures. We are continually allocating limited time and effort among competing objectives, deciding which one receives attention now, which can wait, and when priorities need to change. Andrew Neal, Timothy Ballard and Jeffrey Vancouver describe self-regulation precisely in those terms: managing competing demands rather than simply summoning more motivation.
The problem is not necessarily having several goals. Research by Alexandra Freund and colleagues has found that goals can facilitate one another; when pursuing one also helps another. Conflict becomes more costly when goals require incompatible actions or compete for the same resources. In those cases, greater interference between personal goals has been associated with poorer well-being and weaker sustained pursuit.
So the popular prescription to “pick one thing” is too simplistic.
The better question is whether your ambitions have an order.
A person can care seriously about work, family, health, friendship and a creative life without pretending only one exists. What becomes difficult is asking all of them to occupy first place at the same moment.
Purpose, viewed this way, is less about reducing life to one obsession and more about refusing to make every desire an equal priority.
Attention has to leave somewhere before it can arrive somewhere else
Weak prioritisation costs more than time. It also leaves pieces of our attention behind.
Sophie Leroy calls this attention residue: when we move away from unfinished work, part of the mind can remain attached to it, making it harder to fully engage with whatever comes next. Later research with Theresa Glomb found that even a brief “ready-to-resume” plan (where you will pick the task back up) can reduce that residue.
This gives opportunity cost a psychological texture that spreadsheets miss. A project does not cost us only the hours we spend on it. It can keep making little requests on attention while we are supposedly elsewhere.
A 2026 meta-analysis on unfinished work found something similar: incomplete tasks were associated with more work-related thinking during time away, particularly rumination.
Some doors are dangerous simply because they remain open.
A committed goal changes what becomes visible
Commitment can also work in the opposite direction.
James Shah, Ron Friedman and Arie Kruglanski found that strongly activating one goal can make competing goals less mentally accessible. They gave name to a process called: goal shielding. Commitment does not simply make us want something more; it changes what gets to compete with it.
Other experiments suggest that when several goals are active, those carrying greater value or a stronger expectation of success can receive preferential attention.
This gets surprisingly close to Allen’s “centralising point of thought,” but with a more precise mechanism.
Purpose cannot guarantee an outcome. What it can do is help determine relevance. Once something genuinely matters, some opportunities become distractions, some requests can wait, and some attractive possibilities have to remain possibilities.
Wanting something is not yet a plan
There is still a stubborn gap between deciding something matters and actually doing it.
Thomas Webb and Paschal Sheeran found that changing people’s intentions produced much smaller changes in their behaviour. Wanting something more strongly, on its own, was not enough.
This is where the goal cascade becomes useful. A distant vision becomes an annual objective, then a quarterly goal, a commitment for the week and, eventually, something that has to survive contact with today’s calendar.
Research on implementation intentions helps explain why. Instead of I will do X, the plan becomes when this situation happens, I will do X. Across 94 tests, Peter Gollwitzer and Paschal Sheeran found that these if-then plans meaningfully improved goal attainment.
Purpose becomes much less abstract once the future no longer has to improvise every step.
But there is a danger in worshipping focus
Allen occasionally edges towards obsession, and our podcast describes singleness of purpose as a route to exceptional achievement. There is truth in that idea, but persistence is only useful while the goal remains worth pursuing.
Carsten Wrosch and colleagues found that the ability to disengage from unattainable goals, and eventually invest in something else, can support well-being. Robert Vallerand’s distinction between harmonious and obsessive passion adds another layer: both can produce intense commitment, but obsessive passion tends to conflict more heavily with the rest of life.
There is no wisdom in protecting a goal from evidence that it should die.
Purpose therefore requires two capacities that seem opposed: enough commitment to quiet competing noise, and enough flexibility to recognise when the priority itself has become wrong.
Purpose is a ranking function
That leaves us with a less romantic definition of purpose.
It does not need to be a hidden calling, one magnificent ambition or a permanent state of motivation. It can simply be the structure that tells attention what gets precedence.
That is why one of the simplest heuristics works so well: Does this move me towards my primary goal?
The point is not that every hour must be productive. Rest may serve the goal. Relationships may outrank it. Priorities can change, and abandoning something does not make the years spent pursuing it meaningless.
The important part is that these become decisions rather than accidents.
A crowded life will always contain competing claims. New possibilities will keep appearing, and some of them will be genuinely good.
That is precisely why purpose matters: not because it removes the competition, but because it stops everything from competing as an equal.
References
Neal, A., Ballard, T., & Vancouver, J. B. (2017). Dynamic Self-Regulation and Multiple-Goal Pursuit. Annual Review of Organizational Psychology and Organizational Behavior.
Shah, J. Y., Friedman, R., & Kruglanski, A. W. (2002). Forgetting All Else: On the Antecedents and Consequences of Goal Shielding. Journal of Personality and Social Psychology.
Leroy, S. (2009). Why Is It So Hard to Do My Work? The Challenge of Attention Residue When Switching Between Work Tasks. Organizational Behavior and Human Decision Processes.
Leroy, S., & Glomb, T. M. (2018). Tasks Interrupted. Organization Science.
Riediger, M., & Freund, A. M. (2004). Interference and Facilitation Among Personal Goals. Personality and Social Psychology Bulletin.
Webb, T. L., & Sheeran, P. (2006). Does Changing Behavioral Intentions Engender Behavior Change? Psychological Bulletin.
Gollwitzer, P. M., & Sheeran, P. (2006). Implementation Intentions and Goal Achievement: A Meta-analysis of Effects and Processes. Advances in Experimental Social Psychology.
Wrosch, C., Scheier, M. F., Miller, G. E., Schulz, R., & Carver, C. S. (2003). Adaptive Self-Regulation of Unattainable Goals. Personality and Social Psychology Bulletin.
Vallerand, R. J., et al. (2003). Les Passions de l'Âme: On Obsessive and Harmonious Passion. Journal of Personality and Social Psychology.
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