Proverbs 18:13 in the World English Bible
He who answers before he hears, that is folly and shame to him.
Context
12 Before destruction the heart of man is haughty, and before honour is humility.
13 He that answereth a matter before he heareth it, it is folly and shame unto him.
14 The spirit of a man will sustain his infirmity; but a wounded spirit who can bear?