General McChrystal has said winning the population's trust is central to success in Afghanistan.

VOA: standard.2009.10.12

The English Civil War, the Thirty Years' War, in which in parts of central Europe a quarter of the population disappeared, were killed, murdered in ways that I will unfortunately show you in a while.

欧洲近四分之一人口,死于三十年战争和英国内战,稍后我会展示给你们看,我对此也很难过

耶鲁公开课 - 欧洲文明课程节选