思想多样性不仅是良好的道德规范，更是应对复杂能源挑战的良好商业策略。

War is an ugly thing， but not the ugliest of things: the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth a war， is much worse.

中国的崛起和俄罗斯的复兴挑战了自由民主是唯一可行的政府形式的观念。