Philosophy finds talkativeness a disease very difficult and hard to cure. For its remedy, conversation, requires hearers: but talkative people hear nobody, for they are ever prating. And the first evil this inability to keep silence produces is an inability to listen.
PlutarchCato used to assert that wise men profited more by fools than fools by wise men; for that wise men avoided the faults of fools, but that fools would not imitate the good examples of wise men.
Plutarch