He that knows nothing will believe anything. —Thomas Fuller

If there is no knowledge, there is no understanding; if there is no understanding, there is no knowledge. —The Talmud

The greatest obstacle to discovery is not ignorance — it is the illusion of knowledge. —Daniel Boorstin

A fact merely marks the place where we have agreed to let investigation cease. —Bliss Carmen

Strange how much you've got to know before you know how little you know. —Duncan Scott