1. "Since no one by himself could aspire to a serene knowledge of the whole truth, all men had been drawn into an active, exploratory and cooperative attitude." (The Lost Wold of Thomas Jefferson, 1948)
2. "It is not the menace of class war, of ideology, of poverty, of disease, of illiteracy, or demagoguery, or of tyranny, though these now plague most of the world. It is the menace of unreality." (The Image: A Guide to Pseudo-Events in America, 1961)
3. "In the last half century a larger and larger proportion of our experience, of what we read and see and hear, has come to consist of pseudo-events." (The Image: A Guide to Pseudo-Events in America, 1961)
4. "While knowledge is orderly and cumulative, information is random and miscellaneous." (Gresham's Law: Knowledge or Information? 1979)
5. "The most promising words ever written on the maps of human knowledge are terra incognita, unknown territory." (The Discoverers, 1983)
6. "The computer can help us find what we know is there. But the book remains our symbol and our resource for the unimagined question and the unwelcome answer." (AZQuotes.com)