He once quipped that it was "better to be Socrates dissatisfied than a fool satisfied" while describing different forms of happiness.
This thinker criticized "[going] to war for an idea" in his work A Few Words on Non-Intervention. In another work, he opined that an official is justified in preventing people from crossing a bridge only if it is certain that the bridge will collapse. He once quipped that it was "better to be Socrates dissatisfied than a fool satisfied" while describing different forms of happiness. This thinker concluded that a person should be free to pursue his own interests so long as he does not harm other people, which is known as his harm principle. He also modified and built on the ideas of Jeremy Bentham. For 10 points, name this English thinker, the author of Utilitarianism and On Liberty.
This thinker criticized "[going] to war for an idea" in his work A Few Words on Non-Intervention.
John Stuart Mill