"Lord Birkenhead is very clever but sometimes his brains go to his head"

This quote by Margot Asquith is a funny way of saying that Lord Birkenhead is really intelligent, but sometimes his intelligence can cause conceit. It suggests that Lord Birkenhead is so positive in his own intelligence that he can become overconfident and think too extremely of himself. This can lead to him making decisions that are not always in his benefit. It also indicates that Lord Birkenhead can be too proud and not listen from others, even when it would be useful. This quote is a suggestion that intelligence must be utilized sensibly and not give pride. It is very important to bear in mind that intelligence must be used to assist others and not to make oneself feel superior.