It is very easy to say that your opponents have been guilty of a breach of faith, but it is a great mistake to splash the paint about so freely that your words cease to have any real meaning and cease to carry any sense of affront even to those to whom they are applied and cease to bear any connection with any genuine feeling of indignation on the part of those on whose behalf they are spoken.
A politician needs the ability to foretell what is going to happen tomorrow, next week, next month, and next year. And to have the ability afterwards to explain why it didn't happen.
The Great War differed from all ancient wars in the immense power of the combatants and their fearful agencies of destruction, and from all modern wars in the utter ruthlessness with which it was fought.
The oldest habit in the world for resisting change is to complain that unless the remedy to the disease should be universally applied it should not be applied at all. But you must start somewhere.