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Cultivating a state of mind where new ideas are born (2023)

Original article
henrikkarlsson.xyz|241 points|58 comments|by felixbraun|Aug 15, 2026

Cultivating a state of mind where new ideas are born (2023)

By Henrik Karlsson and Johanna Karlsson

Edward Hopper and American Solitude

"The Knight: As you know, I am afraid of emptiness, desolation and stillness." — Ingmar Bergman’s workbook, April 5, 1955

During the early 2010s, a prevailing trend emerged: the creation of integrated coworking and coliving hubs for startup founders. The logic was simple: by surrounding entrepreneurs with a dense social network of peers, ideas would "percolate" more effectively, accelerating the process of building and scaling companies.

However, Sam Altman (then president of Y Combinator) disagreed with this approach. In a 2019 conversation with Tyler Cowen, he explained why YC intentionally avoided providing such spaces.

The Fragility of the "Larval" Idea

Altman argued that truly great ideas are inherently fragile. When a concept is in its larval stage, it often sounds absurd or "bad" to an outside observer. Because humans are deeply influenced by the perceptions of others, the social environment of a coworking space can be toxic to innovation.

The Social Filter Process:

  1. A founder has a weird, potentially brilliant idea.
  2. They share it in a social setting.
  3. Peers laugh or express skepticism.
  4. The founder, fearing social isolation (the "kid picked last at recess" syndrome), pivots.
  5. The idea is transformed into something revolutionary plausible, but ultimately insignificant.

Altman suggests that while these spaces filter out the worst ideas, they act as a "band-pass filter" that inadvertently kills the best ones too.


The Architecture of Solitude

Many legendary creatives have echoed this need for isolation:

  • Pablo Picasso: Asserted that "serious work" is impossible without "great solitude."
  • James Baldwin: Suggested the artist's primary job is to cultivate a state of being alone—a state most people instinctively avoid.
  • Bob Dylan: Claimed creativity requires one to be "unsociable and tight-assed."

It is a mistake to view this simply as physical isolation. Rather, it is a state of mind. It is the ability to enter a psychological space where the judgment of others is silenced, allowing a heightened sensitivity to the vague questions and embryonic ideas that stir within.

To explore this further, Henrik and Johanna Karlsson analyzed the private working notes of visionaries like Ingmar Bergman and Alexander Grothendieck. These notes serve as a window into the solitary creative process.

Scraping training data for your mind


Part 1: Alexander Grothendieck

"It is as if there existed... a sort of 'conspiracy of silence' surrounding [the] 'unspeakable labors' which precede the birth of each new idea..." — Alexander Grothendieck, Récoltes et Semailles

In 1983, the mathematician Alexander Grothendieck began writing the preface to Pursuing Stacks. He was troubled by the way mathematics was taught and practiced. He believed the field had been "flattened," focusing exclusively on the "hammer and chisel" of the final proof while ignoring the "feminine side" of the discipline: the intuitive, dreamlike, and messy process of discovery.

In mathematical terms, he felt the community was treating the process as a simple mapping: Intuition→FlattenedTheorem\text{Intuition} \xrightarrow{\text{Flattened}} \text{Theorem}IntuitionFlattened​Theorem ...ignoring the complex, high-dimensional struggle that occurs in between.

The "Unspeakable Labors"

Grothendieck sought to document the actual experience of creation. He wanted to record:

  • The daily grind and repetitive work.
  • The inevitable mistakes and "mess-ups."
  • The frequent need to backtrack.
  • The sudden, inexplicable leaps forward.
  • The elusive intuitions that defy language.
The "Hammer and Chisel" ApproachThe "Feminine" Creative State
Focuses on the finished theoremFocuses on the process of discovery
Mechanical proof-workDreamlike, intuitive exploration
Public, polished, and rigidPrivate, messy, and fluid
Values the resultValues the "unspeakable labor"

The Intensity of Récoltes et Semailles

By the time he finished the preface in 1986, it had grown into a massive document of over 2,000 pages. The writing was not calm; it was visceral and bordering on the manic. Grothendieck viewed himself and others (like Riemann) as les mutants—outcasts fighting a morally decayed mathematical establishment.

The physical nature of the work mirrored its psychological intensity:

Observation: The author wrote with such violent force 
that the pen frequently punched holes through the paper.

Despite—or perhaps because of—its unhinged quality, Récoltes et Semailles provides a profound look at the psychological state required to bring something entirely new into existence.

Johanna Karlsson