World history is a court of judgment.

Very few conflicts in the history of the world have been satisfactorily concluded according to a published timetable, because you lose all flexibility in dealing with your opponents.

Skepticism has never founded empires, established principals, or changed the world's heart. The great doers in history have always been people of faith.

I learned more from my mother than from all the art historians and curators who have informed me about technical aspects of art history and art appreciation over the years.

History is the science of things which are not repeated.