Everything that depends on the action of nature is by nature as good as it can be, and similarly everything that depends on art or any rational cause, and especially if it depends on the best of all causes.
..bear in mind that, in general, it is the object of our newspapers rather to create a sensation-to make a point-than to further the cause of truth." Dupin in "The Mystery of Marie Roget
Destructive thoughts and emotions undermine the very causes of peace and happiness. If you think clearly about it, it makes no sense to think you’re seeking happiness, if you do nothing to restrain angry, spiteful, and malicious thoughts and emotions.