The importance of understanding abstract ideas

1. Marriage 
2. Morality
3. Tradition
4. Principle 
5. Justice
6. Liberty
7. Faith
8. Honour
9. Reason
10. the long term national interest

Imagine Cameron and his advisers and cronies attempting to write a decent essay about each of these topics, explaining what they are, what they are for, and what they have done to promote it.   

Do you think they would pass this test with flying colours or would they fail to even write a coherent paragraph?