Do not explain too much It is seldom advisable to tell all. William Strunk Jr. & E.B. White, The Elements of Style secrets
To hide or dissemble Fact: The birth agonies of the New IRS led to one of the great and terrible PR discoveries in modern democracy, which is that if sensitive issues of governance can be made sufficiently dull and arcane, there will be no need for officials to hide or dissemble, because no one not directly involved will pay enough attention to cause trouble. David Foster Wallace, The Pale King secretsgovernment
Manual labor Artisanal craftsmen have proved particularly promising subjects for job retraining. The discipline required for good manual labor serves them, as does their focus on concrete problems rather than on the flux of process-based, human relations work. For this very reason it has proved easier to train a plumber to become a computer programmer than to train a salesperson; the plumber has craft habit and material focus, which serve retraining. Employers don't often see this opportunity because they equate manual routine with mindless labor. Richard Sennett, The Craftsman Making coal miners into programmers work