It is tells us that when people say someone should listen to what they say. Best to think before speaking, people always say the right words because if from the mouth. It is not possible to go back and fix things.
It is telling us that when people say others should listen to what he says, the people who say to always think before speaking. For if the word spoken from the mouth. It can not go back and fix what's not.
It tells us that when someone others should listen to what he said, those who say, think before always, because if the words say from the mouth. It can't go back to what you say.