When the mouth opens, the ears slam shut.
If we try to listen we find it extraordinarily difficult, because we are always projecting our opinions and ideas, our prejudices, our background, our inclinations, our impulses; when they dominate we hardly listen at all to what is being said. In that state there is no value at all. One listens and therefore learns, only in a state of attention, a state of silence, in which this whole background is in abeyance, is quiet. (Krishnamurti).
Silent and listen are spelled with the same letters.