Good writing has an aliveness that keeps the reader reading from one paragraph to the next, and it's not a question of gimmicks to "personalize" the author.
William ZinsserI almost always urge people to write in the first person. ... Writing is an act of ego and you might as well admit it.
William ZinsserEvery successful piece of nonfiction should leave the reader with one provocative thought that he or she didn't have before. Not two thoughts, or five - just one. So decide what single point you want to leave in the reader's mind.
William ZinsserToday the outlandish becomes routine overnight. The humorist is trying to say that it's still outlandish.
William Zinsser