Some believe all that parents, tutors, and kindred believe. They take their principles by inheritance, and defend them as they would their estates, because they are born heirs to them.
You must not hate those who do wrong or harmful things; but with compassion, you must do what you can to stop them — for they are harming themselves, as well as those who suffer from their actions.
Books are totally useless unless you take their advice. If you just keep reading them, thinking "that's so insightful! that changes everything," but never actually doing anything different, then pretty quickly the feeling will wear off and you'll start searching for another book to fill the void.