生活本身就是一种冒险，充满了未知和挑战。
International politics is a ruthless and dangerous business, and it is foolish to expect states to behave according to moral principles.
释义：在人的一生中，应当做到无愧于古人。即要努力做到像古代的贤人一样，有高尚的品德和行为，不因个人的私欲而做出违背道德和原则的事情。
没有创造力的效率只是瞎忙。
The world is a question, not an answer.
Quality is not an act, it is a habit.