生命短暂，珍惜每一刻。
Life is short, make every moment count.
The limits of sense are not to be determined by the narrow bounds of our own capacities.
最重要的教育原则是不要爱惜时间，要浪费时间。
外交不是零和游戏，而是寻找共同利益的艺术。
Anything real begins with the fiction of what could be. Imagination is therefore the most potent force in the universe， and a skill you can get better at. It’s the one skill in life that benefits from ignoring what everyone else knows.