The quest for understanding is the noblest pursuit of the human spirit.
Poetry is the language of the soul, and the soul speaks in the language of the heart.
出自晋·葛洪《抱朴子·博喻》。用美玉做成的船和桨,不能用于水上航行;用黄金做弓,玉石做弦,仍没有射箭的功能。(笔杆子 rendoc.com)
International politics is a ruthless and dangerous business, and it is foolish to expect states to behave according to moral principles.