"He was absolutely right in his insistence that historians must recognize and respect the limitations which the nature of history and the characteristics of historical evidence impose on their endeavours. He was right in drawing attention to the importance of the unforeseen and unforeseeable in history, to the right of every age to be studied for its own sake, to the duty not to confuse a right to arrive at conclusions about people and events with a right to deliver judgements based on some universal principle."