Young, ambitious architects are known for cost overruns, impractical layouts — and the occasional work of genius

A catalog of complaints, and some advice:

Le Corbusier, never the most self-deprecating of architects, returned to the site and, looking around, is reported to have said: “You know, it is always life that is right and the architect who is wrong.” That was not an admission of error: Le Corbusier meant that his designs were able to accommodate change.