Speed of development. I know perfectly well how to write SQL, but I would rather write "Post.where(:published => true).first.comments.count" and move on to the

Speed of development. I know perfectly well how to write SQL, but I would rather write "Post.where(:published => true).first.comments.count" and move on to the next thing. If I need to later on I can go back and write a raw SQL query, but why do it unless I need to?