The noble lord in this case, as in so many others, first destroys his opponent, and then destroys his own position afterwards. The noble lord is the Prince Rupert of parliamentary discussion: his charge is resistless, but when he returns from the pursuit he always finds his camp in the possession of the enemy.

Benjamin Disraeli, source, on the speeches of Lord Stanley. I often think of this quote regarding the effectiveness (or otherwise) of different kinds of rhetoric.

For context, Prince Rupert was a cavalry commander whose charges were extremely effective at shattering the opposing cavalry, but who was often unable to restrain his troops from going too far, and consequently lost a number of important battles in the English Civil War.