Since periods of great change, such as the present one, come so rarely in human history, it is up to each of us to make the best use of our time to help create a happier world.
If there is no solution to the problem then don't waste time worrying about it. If there is a solution to the problem then don't waste time worrying about it.
We all wish to live a happy life. In addition, we all have the same right to fulfil this goal. And we all have the potential to do so for the simple reason that future is not fixed, it can be changed. Therefore, we should live in hope that we really can overcome whatever problems we face.