Challenges are what make us grow; embrace them.

画布是一面镜子，不仅反映艺术家的灵魂，也反映社会的灵魂。

自由民主的传播和世界经济的整合是现代时代最重要的两个趋势。

We are all broken, that's how the light gets in.

Education is the foundation of sustainable forestry—people protect what they understand.

经济学方法为理解所有人类行为提供了一个有价值的统一框架。