"There can be no question that generalizations about the past, defective as they may be, are possible – and that they can strengthen the capacity of statesmen to deal with the future."
Arthur Schlesinger, historiador.
"He who lives to see two or three generations is like a man who sits some time in the conjurer's booth at a fair, and witnesses the performance twice or thrice in succession. The tricks were meant to be seen only once."
Arthur Schopenhauer, filósofo.
"What I suspect is that memory of past and anticipation of future events work together, go hand in hand as it were in a friendly way, without disputing over priority and leadership."
Carl Becker, historiador.
"The longer you can look back, the farther you can look forward."
Winston Churchill, político.
"What is past is prologue."