History can come in handy. If you were born yesterday, with no knowledge of the past, you might easily accept whatever the government tells you. But knowing a bit of history—while it would not absolutely prove the government was lying in a given instance—might make you skeptical, lead you to ask questions, make it more likely that you would find out the truth.
You can't be neutral on a moving train: a personal history of our times (ed. 1994)