“The professionals resemble and recognize each other by virtue of the stigmata that their trade has left upon them. They are like the dog in the fable, whose collar has made an indelible mark around his neck. The amateur is the shaggy wolf whom no dog had better trust too far.”

“The professionals resemble and recognize each other by virtue of the stigmata that their trade has left upon them. They are like the dog in the fable, whose collar has made an indelible mark around his neck. The amateur is the shaggy wolf whom no dog had better trust too far.”

— Jacques Barzun