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
A state of energetic repose Read the text before designing it. Discover the outer logic of the typography in the inner logic of the text. Make the visible relationship between the text and other elements (photographs, captions, tables, diagrams, notes) a reflection of their real relationship. Give full typographic attention even to incidental details. Invite the reader into the text. Reveal the tenor and meaning of the text. Clarify the structure and the order of the text. Link the text with other existing elements. Induce a state of energetic repose, which is the ideal condition for reading. Robert Bringhurst, The Elements of Typographic Style The inner nature of material typography