Politics demands a great capacity for self-deception, which rescues the politician from hypocrisy. He can normally manage to believe what he is saying for the time it takes him to say it. This gives him a certain sincerity even when he is saying opposite things to opposite people.
Garry Wills (b. 1934) American author, journalist, historian
Confessions of a Conservative, ch. 15 (1979)
(Source)
Quotations by:
Wills, Garry
This is always the danger with propaganda, that it becomes at last more credible to its disseminators than to its targets.
Garry Wills (b. 1934) American author, journalist, historian
The Kennedy Imprisonment: A Meditation on Power, ch. 18 (1981)
(Source)
Referring to US government efforts in the early 60s to paint Castro's regime in Cuba as weak, eventually leading to the US government itself thinking the regime could be easily toppled.