“About 90 percent of the things in our lives are right, and about 10 percent are wrong. If we want to be happy, all we have to do is to concentrate on the 90 percent that are right, and ignore the 10 percent that are wrong. If we want to be worried and bitter and have stomach ulcers, all we have to do is to concentrate on the 10 percent that are wrong and ignore the 90 percent that are glorious.”
