译文：种植橘柚，吃起来是甜的，闻起来是香的；种植枳棘，长大了却会刺人。所以君子要谨慎地选择所要培养的人才。

生命虽短，却很宽广。

The stranger is an element of the group itself, not unlike the poor and sundry 'inner enemies'—an element whose membership within the group involves both being outside it and confronting it.