希望是最后消亡的东西。
A esperança é o último que morre.
科学是跨越数代人的协作努力。
Power is not just about control, but about responsibility.
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。
I am heartily rejoiced that my term is so near its close.
I want my work to hold contradictions.