This being so, man has but to right himself to find that the universe is right; and during the process of putting himself right he will find that as he alters his thoughts towards things and other people, things and other people will alter towards him.
Again, this is developing an internal loci of control which is good until it is assumed for objectively external loci of control.
Getting cancer is not a product of your thoughts. It may, sometimes have contributing factors of diet, exercise, and lifestyle but sometimes it is apparently entirely random.