One should not as a rule reveal one's secrets, since one does not know if and when one may need them again. The essential English leadership secret does not depend on particular intelligence. Rather, it depends on a remarkably stupid thick-headedness. The English follow the principle that when one lies, one should lie big, and stick to it. They keep up their lies, even at the risk of looking ridiculous.
Joseph GoebbelsThe end of the year! I draw the balance. Inquiry of conscience and request to the Spirit for progress and maturity.
Joseph GoebbelsThis is the secret of propaganda: Those who are to be persuaded by it should be completely immersed in the ideas of the propaganda, without ever noticing that they are being immersed in it.
Joseph Goebbels