First, if it is true that a spatial order organizes an ensemble of possibilities (e.g., by a place in which one can move) and interdictions (e.g., by a wall that prevents one from going further), than the walked actualizes some of these possibilities. In that way, he makes them exist as well as emerge. But he also moves them about and he invents others, since the crossing, drifting away, or improvisation of walking privilege, transform, or abandon spatial elements.
Michel de CerteauMore than its utilitarian and technocratic transparency, it is the opaque ambivalence of its oddities that makes the city livable.
Michel de CerteauEveryday life invents itself by poaching in countless ways on the property of others.
Michel de Certeau