The spread of liberal democracy and the integration of the world economy have created a situation in which the major powers are no longer willing to risk war with one another.

"The mind is not a vessel to be filled, but a fire to be kindled."

解决问题通常需要重新构建一个人对情境的心理表征。

The mind is the organ of possibility in a world of challenge.

走向自由，不管在哪，都没有轻松的道路；多数人在到达渴望的巅峰之前，都必须一次又一次穿过被死亡阴影所垄罩的幽暗山谷。