A racing tipster who only ...

A racing tipster who only reached Hitler's level of accuracy would not do well for his clients.
 A. J. P. Taylor

Quotes from the same author

Though the object of being a Great Power is to be able to fight a Great War, the only way of remaining a Great Power is not to fight one.
 A. J. P. Taylor
When I write I have no loyalty except to historical truth as I see it and care no more about British achievements and mistakes than any other.
 A. J. P. Taylor
If there had been no troublemakers, no Dissenters, we should still be living in caves.
 A. J. P. Taylor