David Pollak interview
"...no matter whether they were looking at Scala, Ruby or Java, they spent almost exactly the same time per language token looking at code, so if you say how few language tokens can we use to express our business logic, that's how fast somebody can look at the code and perceive it, that's how fast somebody can write the code because no matter what language you are writing in you write about the same number of line of code per day."