The future of democracy depends on the ability of democratic societies to reform themselves and adapt to new challenges.

Civilization as it is known today could not have evolved, nor can it survive, without an adequate food supply.

疯狂就是重复同样的错误并期待不同的结果。

The books we read are as important as the friends we keep.

写作就是抵抗，抵抗那些试图让我们沉默的力量，抵抗那些试图控制我们的力量。

世界是一本书，不旅行的人只读了一页。