Most of all we need an education which will create an educated mind. This is a mind not simply a repository of information and skills, but a mind that is a source of creative skepticism, characterized by a willingness to challenge old assumptions and to be challenged, a spaciousness of outlook, and convictions that are deeply held, but which new facts and new experiences can always modify.

Lyndon B. Johnson: Containing the Public Messages, Speeches, and Statements of the President (ed. 1965)