研究历史就是学习时间的语法。
To study history is to learn the grammar of time.
沉默是上帝的语言;其他一切都是拙劣的翻译。
The spread of liberal democracy and the integration of the world economy have created a situation in which the major powers are no longer willing to go to war with one another.
Humility is the mark of a great leader.