In Brasília, the capital city of Brazil, the buildings were designed before the people arrived. Oscar Niemeyer drew the government ministries, the cathedral, the residential blocks. Lucio Costa drew the master plan. The entire city was conceived on paper and then constructed in the middle of the cerrado — the vast Brazilian savanna — as an act of national will. It opened in 1960, and people moved in because the government told them to.
The result is a city that looks magnificent from the air and feels deeply strange on the ground. The buildings are beautiful. The spaces between them are enormous. The residential superblocks are organized with geometric precision. And almost nobody walks, because the city wasn’t designed for walking. It was designed for looking at.
Brasília is an extreme case, but it illustrates something I think about constantly: the built environment doesn’t just house human behavior. It shapes it. The spaces we occupy aren’t neutral containers. They’re instructions, and we follow them whether we know it or not.
The Corridor Determines the Conversation
I first noticed this in offices. The physical layout of a workspace dictates how people interact more than any org chart or collaboration tool. Open-plan offices produce ambient noise and superficial conversations. Private offices produce isolation and scheduled interactions. The hybrid spaces — the ones with shared kitchens, wide hallways, and comfortable common areas — produce serendipity, which is the most valuable form of organizational communication and the hardest to manufacture.
Steve Jobs understood this when he designed the Pixar headquarters. He insisted on a central atrium that everyone had to pass through, because he wanted people from different departments to run into each other. The architecture created the collisions. The collisions created the ideas.
Running a remote agency, I think about this problem differently. We don’t have a physical space to design, so we have to create digital equivalents — the Slack channels, the async video updates, the virtual spaces that substitute for the hallway. None of them work as well as a well-designed physical space, which is an honest admission that most remote-work evangelists are reluctant to make.
The City as Behavioral Blueprint
Zoom out from the office to the city, and the same principle operates at a larger scale. The way a city is built determines how its residents live — not metaphorically, but literally.
In Amsterdam, the cycling infrastructure isn’t a lifestyle choice. It’s an architectural decision made decades ago that produced a population of cyclists. The bike lanes came first. The behavior followed. People in Amsterdam don’t cycle because they’re virtuous. They cycle because the city made cycling the easiest option and driving the hardest.
In Los Angeles, the freeway system produced a population of drivers. The sprawl came first. The car dependence followed. People in LA don’t drive because they love traffic. They drive because the city gave them no alternative.
The causality runs in one direction: infrastructure shapes behavior, not the other way around. Cities that wait for people to change their habits before building the infrastructure will wait forever. Cities that build the infrastructure and let behavior adapt will get the outcomes they designed for.
Sacred Geometry
Religious architecture is perhaps the most deliberate example of design as behavioral instruction. A Gothic cathedral is engineered to make you feel small. The vaulted ceilings draw your eyes upward. The stained glass filters light into something that feels otherworldly. The acoustics amplify whispers and silence footsteps. Every design choice serves the same purpose: to produce a sense of awe that prepares you for worship.
A mosque operates differently. The prayer hall is typically open, with minimal furniture, oriented toward Mecca. The design produces equality — everyone prays in the same position, on the same floor, facing the same direction. There are no pews, no assigned seats, no hierarchy of proximity to the altar. The architecture encodes a theological position about the relationship between the individual and God.
Walking through religious buildings across different traditions, spending time in temples in Southeast Asia and churches in Latin America and synagogues in Europe, the pattern is consistent. The architecture tells you how to feel before anyone says a word.
The Domestic Scale
This operates at the smallest scale too. The design of a home shapes the behavior of the people who live in it, often in ways they never articulate.
Japanese domestic architecture traditionally emphasizes flexibility. Rooms are defined by sliding screens, not permanent walls. A living room becomes a bedroom by rearranging the furniture. The kitchen opens to the dining area. The bath is a shared ritual, not a private utility. The architecture produces a household where space is communal, adaptable, and constantly renegotiated.
American suburban architecture does the opposite. Rooms are fixed. Bedrooms are private. The master suite is separated from the children’s rooms. The garage dominates the front façade. The architecture produces a household organized around individual privacy and automotive convenience. Neither design is wrong. But each produces a fundamentally different way of living together.
The Lesson for Builders
Anyone who builds anything — a product, a company, an organization — should study architecture. Not for the aesthetics, though the aesthetics matter. For the behavioral insight.
The principle is simple and powerful: people will do what the environment makes easy. If you want collaboration, design spaces that produce collision. If you want focus, design spaces that produce isolation. If you want community, design spaces that produce lingering. If you want efficiency, design spaces that produce throughput.
The mistake most builders make is designing for the behavior they want and then being surprised when the environment they built produces something different. The environment always wins. The users will adapt to the space, not the other way around. The question is whether you designed the space intentionally or whether you let it happen by default.
Every city, every building, every room is an argument about how people should live. The best architects know this. The rest of us are still learning to read the argument.