Never miss a good chance to shut up. – Will Rogers (verification of author per The Estate of Will Rogers, CMG Worldwide

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

Never argue with a fool, onlookers may not be able to tell the difference. – Author unknown, attributed to Mark Twain

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