Like a lot of things, I think it depends mostly on the effort the writer puts into mastering his craft. I prefer the variety in length, and agree with it as a g

Like a lot of things, I think it depends mostly on the effort the writer puts into mastering his craft. I prefer the variety in length, and agree with it as a general rule. However, one counterpoint: Hemmingway seems to have done fine with (mostly) short sentences.