Well-timed silence hath more eloquence than speech. – Martin Farquhar Tupper, “Of Discretion,” Proverbial Philosophy

It is impossible to speak in such a way that you cannot be misunderstood. – Karl Popper, Unended Quest

Basically you are like two parallel lines which never meet. Dialogue seems to be impossible. All is monologue — you are talking to yourself and the other is talking to himself. Two monologues together look like a dialogue only in appearance. – Osho, The Revolution: Talks on Kabir, 1979

Talking is like playing on the harp; there is as much in laying the hands on the strings to stop their vibration as in twanging them to bring out their music. – Oliver Wendell Holmes