If nations always moved from one set of furnished rooms to another -- and always into a better set -- things might be easier, but the trouble is that there is no one to prepare the new rooms. The future is worse than the ocean -- there is nothing there. It will be what men and circumstances make it.
You'll never meet a happy ungrateful person, or an unhappy grateful person because gratitude and happiness go together. Sometimes happiness precedes gratitude but often gratitude precedes happiness. The latter is achieved by realising things could be worse but aren't and so feeling relieved, grateful and happy.