When two people today engage in an argument, each tends to spend half of his time and energy not in producing evidence to support his point of view but in looking for the hidden motives which are causing his opponent to hold his.
W. H. Auden
(For anyone interested in Auden’s life in Brooklyn Heights when he lived with Gypsy Rose Lee, Benjamin Britten, Carson McCullers and other colourful “characters”, I highly recommend February House by Sherill Tippins: