You can't be pessimistic, because there are so many things that go wrong every day that if you were to be negative or pessimistic, you'd go out of business.
I come to the office each morning and stay for long hours doing what has to be done to the best of my ability. And when you've done the best you can, you can't do any better. So when I go to sleep I turn everything over to the Lord and forget it.
It is the duty of youth to bring its fresh powers to bear on social progress. Each generation of young people should be to the world like a vast reserve force to a tired army. They should lift the world forward. That is what they are for.