在自然界中,没有什么是孤立存在的。
世界是一本书,不旅行的人只读了一页。
"Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence."
国家间最重要的政治区别不在于其政府形式,而在于其政府程度。
The best way to ensure peace is to maintain a balance of power among the major states.