How do you change someone's traditional ideas?

What's the point of changing someone's traditional views? So it's generally impossible to change someone's traditional ideas. But there are three special circumstances can change the traditional concepts of some people. First, other people need to change the traditional concept of time; second, you have absolute power tangible and intangible to force others to change the concept of third, you have a set of brainwashing theories and procedures, the dead say "live", that is, people often say that the cult of evil say.