On the other hand, there is the possibility that your ideas and the ideas of the perswon you tolerate are both wrong. Then they are equally right.

Or, another example might be this: Is it polite to look at people that you are talking to? In some cultures, if you don't look at a person you are talking to you will be judged as being unreliable. In other societies looking at the person you are talking to is considered rude, even insulting.