Courtesy of Scalzi, who seems to have a pretty good business head on his shoulders:

I guess the idea is that ambition excuses all dickheadedness in the long run. Sorry, it doesn’t.

John is talking about a very specific scenario involving pro writers and would-be pro writers, but I think it’s a good point in general. I can think of a number of young up-and-comers right here in my own company who would do well to heed those words. No one I’d name here in public, of course, but even so…