The horror of the Twentieth Century was the size of each new event, and the paucity of its reverberation.
二十世纪的恐怖在于每个新事件的规模之大与其反响之微弱。
The quality of a country's institutions is the single most important determinant of its long-term economic performance.
可持续性不是一个选择；它是我们对后代的责任。