You also have to ignore the listener that don't listen or that don't understand, despite others did or have never put themselves in the condition of needing an

You also have to ignore the listener that don't listen or that don't understand, despite others did or have never put themselves in the condition of needing an explanation. Basically communication is bidirectional, if the listener don't understand anything, it's probably their fault too. Understanding is not a right or a gift, it's a process. You can't force people to understand and no matter how you think about the listener, the listener have to do their part: listen.