Integrity means that you are the same in public as you are in private.
Sometimes she'd go a whole day without thinking of him or missing him. Why not? She had quite a full life, and really, he'd often been hard to deal with and hard to live with. A project, the Yankee oldtimers like her very own Dad might have said. And then sometimes a day would come, a gray one (or a sunny one) when she missed him so fiercely she felt empty, not a woman at all anymore but just a dead tree filled with cold November blow. She felt like that now, felt like hollering his name and hollering him home, and her heart turned sick with the thought of the years ahead and she wondered what good love was if it came to this, to even ten seconds of feeling like this.
If, for instance, they have heard something from the postman, they attribute it to a semi-official statement; if they have fallen into conversation with a stranger at a bar, they can conscientiously describe him as a source that has hitherto proved unimpeachable. It is only when the journalist is reporting a whim of his own, and one to which he attaches minor importance, that he defines it as the opinion of well-informed circles.
Don't give your opinions about Art and the Purpose of Life. They are of little interest and, anyway, you can't express them. Don't analyze yourself. Give the relevant facts and let your readers make their own judgments. Stick to your story. It is not the most important subject in history but it is one about which you are uniquely qualified to speak.