'...although the cliche says that power always corrupts, what is seldom said, but what is equally true, is that power always reveals. When a man is climbing, trying to persuade others to give him power, concealment is necessary: to hide traits that might make others reluctant to give him power, to hide also what he wants to do with that power; if men recognized the traits or realized the aims, they might refuse to give him what he wants. But as a man obtains more power, camouflage is less necessary. The curtain begins to rise. The revealing begins.'
Robert A Caro, The Years of Lyndon Johnson, Volume 4: The Passage of Power, p.xiv.
